Trending ▼   ResFinder  

CBSE Class XII 2011 : PHYSICS

15 pages, 96 questions, 36 questions with responses, 50 total responses,    0    0
cbse12
   		+Fave Message
ProfileTimelineUploadsQ & A
 Home > cbse12 >

Instantly get Model Answers to questions on this ResPaper. Try now!
NEW ResPaper Exclusive!

Formatting page ...

- 55/1 N~. . ~ ~-~ ~ answer-book. the of 3'tR-~"d5T Q)) m q""{"~~1 ~~ page I Candidates must write the Code on title I the I I I I I I I I I I I I ~. ~ Roll No. I I -q;fg Code I Series I SOS ,' . written on the title page of the answer-book by the candidate. . Please check that this question paper contains 30 questions. . Please write the Serial Number of the From a.m. question I fu"@ ~ ~ 6W-~"q:jT I ~ ~ ~ am ~ I ~ ~-~ "q)T ~ff;rij ~-~ ~ I ~ ~ ~ "(fqj 1 70 70 .. 3ti3f/ Marks.. 31f'l-:[q:i"ff;r Maximum ) Q) ~ I ~ (~ fa~R mf(!J"ij) hours 3 any answer (Theory) ~ 3 the I ~ ~ ~ 10.30 "q)T ~ ~ ~ 15 10.15 ~ I ~ ~ ~ qj) fCfi11T ~ ~-~ .. allowed.. a.m., I PHYSICS ~ to 10.30 not write m~~ ~ ~ 15 ~ ~ ~ 30 ~ ~ ~ ~ ~ ~ ~-~ ~-~ ~ am ~ ~ fq; fq; ~ ~ -R "qj"{ ~ "qj"{ ~ ~ ~ ~ 10.15 ~ ~m~~~~.~it~, ~ ~-~ . . . . . The paper. 10.15 qj) at 10.15 a.m. question this read to allotted been be distributed ~~~~~6W-~~~~~~ Time before ~ will students will read the question paper only and will on the answer script during this period. ~ question ~-~ paper has time 15 . down it. minutes attempting 55/1 be should paper question the of side hand right the on given number Code . Please check that this question paper contains 15 printed pages. P.T.D. -c . ~ ., _I I.I~III I ~ (fJ;'lrr ~ ~ 31RfRq; it m r:fi;:ff qJc? atq;7" ~ it, J7'\V;=r ~ qJc? atq;7" 'f;'t ~ I ~ ;rft I ~ q;r 3iq; I1fT:1 J7'\V;=r ~ it 0 3 if 28 J7'\V;=r ~ J7'\V;=r ;it 3iq; q;r ~I J7'\V;=r 19 if 2 7 it ~ ~ {t J7'\V;=r ~ iI;-qoc;r if it ~ 7Tit fCfq;f;q q;Jt w ~ it w - J7'\V;=r qfq ( i v) ~ J7'\V;=r 9 if 18 it ~ fc;lf ( i i i) J7'\V;=r - w it ~ ~ ~~~3iq;q;r~1 ~ 31TT:riit q;r (i i) it J7'\V;=r ~ qJc? atq;7" \lrJft it m # I ~ 7]'2lT (i). I ~. 3JRqrl{ J7'\V;=r 2 55/1 : ~ HI4fI-<.l 10-31 x 9.1 = me 0 47tE C-2 m2 N 109 x 9 = - 1 A-I m T 10-7 x 47t = Jlo C 10-19 x 1.6 = e Js 10-34 x 6.q3 = h m/s 108 x 3 = c : necessary wherever constants physical of values following the use may You (vi) (v) - \ . Use of calculators is not permitted. However, you may use log tabtcti if nt'Ct'33ary. kg 30 J7'\V;=r it I J7'\V;=r 1 if 8 nq;- ;?/; J7'\V;=r 31fff-<7F ufl7l J7'\V;=r ~. J7'\V;=r 'ift;:r 3iq; ~ 55/1 ~ '% ~ ~ ~~ ljUT ~ 3 'c'~' 1 force. nuclear . 1 ? ~ fCf)(i;.rr ~ 'Q"{ ~ ~ fqj W ~ fi!fil1r ~~ ~ ~ of centre the at potential the is What V. 10 is the that such charged is cm 5 radius of ? W ~ 'Q"{ ~ 90 11R 'q:jT ~ ~ 'Q"{ 1 ? 90 dip of angle the is Earth of surface the on Where I ~ ~ (S.l.) ~.31r;f<. ~ I ~ ~ ~ ~ ~~ ~ 1 unit. S.l. its Write moment. dipole electric Define kg 10-31 x 9.1 = me ~ 47tE ~ 10 x m N C- 2 ~ ~ ~ sphere metal ~ ~ ~ ~ 9 '% ~ ~ surface its on hollow A 1. ~ ~, 1 =9 of ? ~ '% cm~ potential (~-~) I w ~ m V 5 '% ~ 2. ~ :, c produced? waves radio 10 ~ 'q:jT 3. , - properties characteristic two are How the any ~~~~mm~ 4. ., ~. " sphere? ~ l Write 5. t. A-I m T 10-7 x 47t = ~o C 10-19 x 1.6 = e '"':'1 ~ -q:;( ~ w l1];ff i!i Rl!.!rtict>," <J#tffq;- R"orfI<1R9rt 31Jq" fit 311q':tI!.!ct> ~ (vi) I i! ~ -q:;( m q;r "f1T1:uft P.T.D. ,. <1 '::Ji 1u 1ct> II!.! - - 3:rTV aT fit ct> I!.! :t q' 311 ;!1fGr rr;JTfrr I # . ~ 31:J1lfrr q;J- ~ i!i ~""<1ji<.f2r (v) r"r - i! : c = 3 x 108 m/s h = 6.63 x 10-34 Js 2 0 " rI!' 1 I i i I , ~\: across a capacitor 'c' as shown in the figure. . Predict connected loop metallic a towards moved quickly are magnets bar Two 6. -~--- the polarity of the ' 1 NI sl IN Is C capacItor. "qjT ~ ~ 3ffi ~ ~ (~) ~~ I ~ ~ ~ ~ ( T) ~ ~ ~~ Cf11, ~ 'C' 'fl'ii'bT ~ ~ GT ~ -'3fT ~ I ~~II~~ NI sl IN Is C ~ -E-- , ~ ~ ~ ~ -q: ~ ~ ~ m -+ -+ What happens to the width of depletion layer of a p-n junction when it ~ p-n ~ ~, ~ ~ ~ ? 'q"{ effect. 1 axis density its l, charge I ~ and having r radius wire ~ to photoelectric length m ~ -q?,: of conducting fq'1:rq' in relation surface long 'R"Um i:f cylindrical by (~) ~ ~ l:R"('f m, ~ potential' infinitely ~ ~ straight ~ - enclosed is thin ~ A coinciding with 1 1.I~-qI~~lctI ~1~1~11 (ii) ~ ~1~1~11 Define the term 'stopping A 9. biased, (ii) reverse biased? ~ 31~I~~lctI (i) 8. ~ p-n ~ is (i) forward a 7. -E-- the length of the wire. Find the expression for the electric flux through the surface of the cylinder. ~ 55/1 ~ I ~~o1lct1l( ~ ~ ~ ~ ~~ ~ ~ 4 ~ ~ I ~ ~ ~ ~ dR ~ ~, ~ ~ ~ ~ -q:, A ~ ~~o1lct1l( (~) I ~ ~~o1lct1l( ~ dR l ~ ~ ~ ~ ~ ~, ~ "qjT r ~ mm ~ 2 5/1 I ~ 2 currents. eddy of applications ~ ~ ~ I"~ ~ wrnr ~ ~~ 11 'i-:rTU "5[q;R, ~ fCfi ~ ~ ~QIC.jdl ~ fGm m ~ 11 'i-:rTU, ~ ~ 12 ~ ~, lTl1T ~ ~ "('fR ~ I ~ "{tft m ~ (11) 'i-:rTU ~ ~ ~ ~ ~ mit ~ ~ 3t~ ~~fCfi~~~31T~"qjUT~ I ~~~~~~~ ~ ~ wH ~.. qjUT fCfim ~ ~ 'q' ~ ~ lTfu ~ ~ "1 -q ~ ~~ B 2 force. this for expression the Write wire. second the on force magnetic a exerts 11 current the to due field magnetic the how diagram a of help the with Show wire. first the to parallel and close kept is direction same the in (12) current steady carrying wire Another wire. straight long a through flows (11) current steady A OR 2 " particle. charged the on force this by done is work no 'q' that Show B. field magnetic a in "1 of particle a on force magnetic Lorentz for expression the Write cX-Il~1 ~ P.T.D. 5 3".{~m two ~ (m) "{"@T ~ a:r;<:r ~ ~I-II~~, ~ ~ 1. ~ ~ ~ ~ r ~ I '5rT"({:r 3".{~(ft) ~ ~ ~ any ~ ~ ~ ~ I ~ ~ m ~ -q velocity ~ Write ~ ~, ~ ~~ "q:jT{UT ~ with 'i-:rTU3:ft ~ currents? ~~I moving ? ~ mm eddy are What charge "q:<:fT ~ ~ 12. 31fctm ~ -q ~ m 'G1"o1T I ~ ) mtfi ( 31ri?ri!l ~ ~ ~ -q~ ~ ~ ) (~ q)"T (F) ~ ~ ~ ~ ~C) -3 ~C, (2 ~ ~C) 2 ~C, (1 ~, ~ ~ 31fctm graphs the Interpret ~C). 3 - ~C, (2 and ~C) 2 ~C, (1 charges: of pali each of charges two the between distance the is r where versus" (F) force coulomb of variation the showing graph a Plot O. - ( -4), obtained. 2 I ~q;r4~~~~1 "q:jT ~I~~I~~UI I ~j..jI~~I'i ~'I ~ ~ to: generalized is current.! varying time a by charged i 1 2A I I) ~ WI ~ ~ 3:jmrn ~ law circuital C 1 B II 1 2V I ~ ~ ~ 1:1"{ ~~~~~~ ~~~~~A1:I"{~~~, IV 2A C II A Rl .Q 2 R B II 2 D lA 2V B. point at potential the determine to rules Kirchhoff's use potential, zero at be to A point assuming circuit, given the In ? ~~mm~ m "(fq)" ~~ ~ MHz ~ ~ ~ ~ ~ ? ~ ~ ~ ~ ~ ~-m Wh:):' is this ~ ~"q:jT ~ displacement ";j'ffi1T M ~ ~ due to the q=j!\UT ~ being IV A B ~~~if, is sky wave communication? current. ! ~Ft~"(.jl~ ~ ~ effect ~ is capacitor plate R ~ ~I to the frequencies ~ Ampere's how briefly I ~ -rit ~~ the ~ ~ ~j..jl~~ ~ incorporate ~ ~ ~ parallel A restricted ~ Explain 14. What ~ 55/1 if ~ ~ "5[qiR ~ 15. 6. 13. J '- -~~=~~~~~=====:::::::::====~-= ,-,' "'" , mode of propagation only upto few MHz? , i i i ! 6 ! ~.,~ --~ ret capacitance of three identical capacitors in series is 1 J.1F.What (~) ~ ~ m ~, ~ ~ (~) (~) M ~ ~~ it ~~ ~) (~ it 2 are they if configurations two the in stored source. ~ -q~ ~ same energy ~~it~~-q;r~~~ ~ ~ ~ ~ m ~, ~ ~ ~ m -q:q; ~ ~~ it ? ~ ~~ the of ~ I (~~) mlft ~ GW3lT ~ J.1F (-q:q;-~) to ratio the connected ~ 1 mftm ~ ~ ~ ~ ~ )oth i'ind rill be their net capacitance if connected in parallel? I the in energy in release the how clearly state A, number mass Using the curve for the binding energy per nucleon as a function of ~ ~ -cx:IT@i ~ ~ ~ ~ c:nT fq1J;m ~ ~ it -at~ ~ ~3fR with J at observed was point balance I ~ ~ it, ~~ ~ experiment, bridge be the new position of balance What interchanged. then and doubled were X and R of values would point? 2 X R If the galvanometer and battery are interchanged at the balance position, how will the balance point get affected? B 1 A (ii) 2 = l. The (i) AJ meter ~~ ~ ~ ~ fqm ~ A ~~ ~ , ~ >5/1 the In ~~~~~? ~ -r;:ol..j~ processes of nuclear fission and nuclear fusion can be explained. 7 P.T.D. l: = ~ AJ ~ ~~ m ~~, ~, -q"{ ~ J ~ ~) ~ (~ 3Tr:fff ~ ~ -q:j"{ ~~ ~, ~ qj) m ~ ~ ~ X ~ ~ (~) R ~ (i) ~ ~;r{~~m1fi? * (ii) 31ff.f~~ ~~m >!T1:{f ~ ~ ~ -q"{ ~i~r1IJ-1Ic.{ ~ ~ 3Tr:fff ~ ~ 31~~-q"{~~~? 1 A convex lens made up of glass of refractive of refractive index index 1.65, 1.5 is dipped, (ii) in a medium of two the in lens diverging a 1.33. or it index Will (a) refractive a medium' converging (i) a in as turn, behave 19. 3 media? two in the (i) 1.65 31~q\:fr1i~ ~ ~, ~ ~ ~ ~ ~ q:jp.f m I ~ ~ ~ ~ qj) ~ ~ ~ ~ ~ ~ ~ ~ ~3# GT 31~q\:fr1i~ ~ ~ ? ~ -qftq-<f;r ~ ~ ~ ~ 8 ~ ~ ~ ~ ~ ~ GT ~ -- '-- 55/1 (b) 11Tfu? ~ 1.33. (ii) change ~ ~ ~~q\:fr1i~ 1.5 ~ ~ (a) length focal its will How (b) cases? 55/1 9 of a ~lq~l~ aconcave am (oq't;) produces mirror ~ for need the demonstrate I "qjRUT ~ ~~ t '3"W ~ ? ~ am ~ "q:jT fcfqq RUftft ~ Gm ~ I ~ (~) ml:fi ~ t ~ -q;) -q~ t ~ ~-~ m?:I', t fcfqq (~) ~ ~ ~, t ~~~uli 31fqfu"ff GT t v2) (VI> ~ v2 ~ vI am ~ ~ a signal. using a sinusoidal signal as the modulating signal. 3 fuT;rC1 and enlarged image. "q:jT 2f. of the object. mirror 3 P.T.D. ~ 3 answer. your Justify higher? be potential stopping cl the will case which In intensity. same the having radiation incident of v2' > vI frequencies, different two for potential plate collector current ~ ~ ~ t ~ ~ ~, mm ~ modulation 31~ am independent image concave ~, ~ which factors two any briefly (~)~ of photoelectric 31rTt ~ 2f ~, an object placed between the pole and focus of I m CI:ft ~ ~ a of I amplitude a:rrrrrm }frn~~ "q:jT virtual a 2f m oq;1 31lq~~~dl "q:jT ~ ~ that ~ ~ I show ~ ~, ~ and ~ ~ ~ ~ -q;) (fuT;rC1) ~ Write variation ~ ~ ~ f show to ~ t ~ ) ~ ( "CfiR-q:; GT ~ to ~ produces between oq;1 ~ -q;) ~ ~ diagram ~ ~ ~ always beyond t 2f produces a virtual the ~ }fld~~ ~ equation fuT;rC1 ~ 3W.:fTr:r showing ~ am f the location I placed mirror the ~ suitable am a:rrrrrm mirror image ~ ~ real t object an Use modulating ~ convex a (a) a plot ~ mm "q:jT ~1i1~~UI (c) ~ ~ (b) a ~ ql~lq~ ~ Draw ~ ~ (a) Draw ~ ~ (b) 21. 20. mm~1 . (c) 22. ~ -~ . " jJ " c'" with '- ~ I ~ of .q: ~I~~ are What ~ ~'ctJl~ctJl\1 ~ ~ ~ eV. State 'qR;it ~ ~ this ~ identify ~QI(.jdl in ~ I electron symbol Hence, ~ circuit. ~ logic ~ -13.6 I ~ .q: is rectifier m Z m"ffi (m) the the ? atom 31lW~ ~~ table. ~ of eV energies Draw 31lW I input-output 13.6 ~~ ~ -i1~ilctJd ~ '"q:jT 'qft"q?;r R~ wave . Z (~an)~ ~ ~ I ~ Wm -it-CI; '"q:jT ~~ ~ I ~ - ~ hydrogen of ~ W1T-~ ~ 3ffi mm I full truth its ~ ~, potential circuit. Write ~, ~ energy state ground The Cft1T ~ a ~ the gate it corresponds ~ ~ and the this below. YRctJ~"11 ~ ~ ~ ~ Show of by out ~~ ~ ~ ~ ~~ in a hydrogen l-i~d~ ~ ~ ~I (b) diagram principle. ~~~i"1 carried circuit a given ~~~ (a) kinetic ~ operation ~~~~3ffi~~~m"ffi~ (b) the ~ 'qft"q?;r B are You (a) ~ A logic the working labelled X A ~ ~ a Y B "SI"~ ~ 25. 24. Draw 10 55/1 23. its waveforms. 3 Using de Broglie's hypothesis, explain with the help ofa suitable diagram, Bohr's second postulate of quantization of energy levels atom. state? 3 to. 3 ;'.'-cc' --~ } --~ --,. ~-~" '--'-.~ -c~.'i"" f' "CfiT ~ 3.42 x 106 m~ am~ ~ ~ ~ ~~ ~ "ill ~, ~ ~ "q)T ~ m 15 ~ ~ CfI1 ~ 3tM~ ~ ~~ -quqffi ~ ~ if ~~ ~ 3T~ I ~ ~ 1ft ~ ~ am ~ 31fq~ CfI1 ~Gm ~ ~ I ~ -;:;m:rT ~ ~ cm 6 ~ ~ 3=lfi1~ q)) ~ ~ I ~ cm 10 am cm 4 ~ ?jt'!i ~ CfI1 ~ ~ am ~ -3=1fi1~ ~ ~Gm ~ ~ 3 m. 108 x 3.8 is orbit lunar the of radius the and m 106 x 3.42 is moon the of diameter The lens? objective the by formed moon the of image If this telescope is used to view the moon, what is the diameter ~-~ 11 ~ ~ ~~ ~ "ill ~ CfI1 ~ ~ cm 1.0 ~ ~ I ~ find used, is cm 1.0 length focal of lens eyepiece an If m. 15 length focal of lens objective an has observatory an at telescope refracting giant A OR of the microscope. ~'- 55/1 __~..:i ~ ?~ ~, "CfiT~~~~? magnification ~ q)) ~ ~ ~qj ~ ~ the length -. I }jlct~~ "CfiT ~ ~ ~ m 108 x 3.8 ~ CfI1 the angular -~ - microscope. Also calculate 3 of the telescope. of the CfI1 ~ P.T.D. compound the of power magnifying the Calculate lens. objective the from cm 6 at placed is object An cm. 10 length focal of lens eyepiece and cm 4 length focal of lens objective an uses microscope compound A 26. in (i) series and (ii) parallel a _o~~,I.,: are, in turn, connected at operated for the power of their respectively. P2 when and R2 PI and RI powers consume resistances V, of :::=~.. voltage, of elements supply heating -.constant Two I 27. --- L Deduce the expressions combination when they across the same "Increasing the necessarily m m ~m ~, coil galvanometer, diagram. current sensitivity of a galvanometer increase its voltage sensitivity." Justify may not this statement. 5 range. of resistance the for expression the obt~in law, circuital Ampere's Using (a) OR of ammeter an ~ ~ (~) ~ V~ ~ I ~ ~ q1"F2""('!T I tr ~~ ~ ~ ~ ~ -ij, ~ (~) ~ ~ m P2 (~) of a moving the necessary steps to convert a galvanometer into Outline RG (c) ~ of the working giving its labelled (b) -q~ m (ii) am ~~, ~ -ij ~ PI ~ ~ ~ -ij -q"{, State the principle given (a) (mall) ~~ ~ (i) ~ ~~ R2~ 3 a 28. ~~ ~ ~ ~ RI~ voltage supply. "fCfim ~ 55/1 ,- . c'"" ~ ~ I" ~ ~ j and 5 cases. two Draw ~ strong? the made in solenoid? a solenoid lines from -q"{ ~, ~ am I ~ jl~-1I~Ic.~~ 'i:Tm-~mfu"ffi ~ ~IC\~~~ given a field different magnetic inside the toroid of field ~ -11~il~d ~ (~~-1I~Ic.~) ~ ~ ~ a is magnetic pattern respect the ~ (b) the is ~ How ~ (a) (c) compare what ! In i on its axis. (b) magnetic field due to a long solenoid at a point inside the solenoid -q:;~ ~ ~ ~ -q"{ ~ -ij ~ ~-~~ (-q:;r{UT) ~ qjT '1ft I 12 - ~ ~ 3:jlct~(.j~ ~ -qj) ~ if ~ ~ -qftm (~) ~ ~ fCfim -qj) ~i~o1l~I~~ fCfim ~ m'i:1 Ra (c) 4FtctFf1d ~ I 3T~ ~ (a) ~ ~ ~ fCfim ~ ~ 4Ft4~1(.j ~ ~ ~~ ~ ~an "Cf)T .q"2-;f ~ fCfim ~ (c) ~ ~ 4Fto1lr~~1 ~ ~ ~ ~ ~ ~~ ~ "SrTt(f fi:r;r "5fq)T{ ~ ~, 4Fto1lr~~1 ~ ~ ~, ~ ~ "Q\, ~~~ fCfim 4Fto1lr~~1 ~ (b) ~, ~ ~ ~ ~ ~ ~ ~ I ~ ? ~ ~ ~ I ~ -qj) ~ ~ ~ ~ :;jfffiT ~? . 29. State the working of a.c. generator with the help of a labelled e.m.f. generated in the is for A, area of expression the each turns, Deduce N roo having velocity angular generator a.c. an the alternating constant a of with coil rotated The diagram. coil. 5 ~ tic 'ii'" in this device? OR What is the source of energy generation ~: the inductor, pure a containing circuit a.c. an in that (a) Show ~f;' ~. !k~ angles to the horizontal west component value of the What is the direction of the e.m.f. ? Which end of the wire is at the higher potential? 5 -" c""" .0. (iii) T (ii) Po Write the expression for the instantaneous e.m.f. induced in the wire. 13 (i) 55/1 to east from extending ': B. field L length of by n/2 in phase. with speed v at right magnetic Earth's of is falling wire straight horizontal A (b) voltage is ahead of current 11181" eo , ~ ril~il~('[ ~~It.j(11 ~ quR ~ fCfi "';I;~Ic\(11 Y="m:r (a.c.) ~ ~ ~ ffi I ~ ~~ A ~ )'!~Ic\(11 -qjT ~ i:f ? ~ i:f, "qftq'lf (a.c.) Y="m:r ~ T['l:;.ft ~, 31~ ~ ~ -qR "('[~fiJrqj ~ ({.~.~.) ~ ~-~ ~ i:f ~~I ~"Cm: I ~ ~ I ~~Ic\(1i ~ " -~ ~ ~ M "Cm:, a:niT ~ ~ n/2 mm ~ ~ Y="m:r ~ fCfi ~ ~ i:f ~ -qjT, L (~) ~ ~ (i) ~~~B~~~~~v~~fiR~~ (b) ~ (a) 3T~ ~ ~ ~ -qjT ~~I~~ ~ i:f I ~ ~({.~.~.)~~~~~~ ~ ~ I ~ ffi ~ ~ I N ~ i:f W ffi ~ -q;1 ~ ~ ~ (j) Y="m:r ~ ~ "5r~Ic\(11 ~~~~I-1 M ~~I 31ftJ!1 -q;1 30. the State importance of interference. In Young's double slit coherent experiment sources in the ? ~ ? (~) mrTr ~ ~ ~ ~ ~ -q;1 ~ fqoqq ~ ({.~.~.) ~ ~ ~ ~ ~~~ ~ ~"ffi"{ (iii) (ii) I phenomenon to produce interference of pattern, is immersed experimental entire the if affected, get width of Young in water? 5 light (b) is incident slit on of source monochromatic a a how explain principle this from on a screen due to a narrow coming is obtained beam pattern narrow a which diffraction Using principle. Huygens' State (a) OR apparatus fringe the does How obtain the conditions for constructive and destructive interference. Hence deduce the expression for the fringe width. normally. Show that the angular width of the first diffraction fringe is half of that of the central fringe. (c) 55!1 --III If a monochromatic source of light is replaced by white light, what change would you observe in the diffraction pattern? 14 5 55 ---"' - ). 15 1 ~ 1 1 '. 1 ? ?;7TT ~ -qftq'<f;:r ~ ~ ~ ~ fqq-d;r m ~, m ~ ~ m "q"'{ ~ ~ ~ ~ ~qouff ~ 1 I ~ mm (1/2) ~ ~ ~ ~ ~ ~ ~ ~, ~ ~ ~ ~ "SI"~ ~ ~ ~ ~~I ~ ~ ~ ~"q"'{ m ~~, ~~ mUTt'31, ~ ~ 31R ~ ~ ~ ~ ~qouff fCfim "q"'{, (~) ~ (~) ~ fCfim ~ ~ ~ ~ ~ ~ ~ ~ fu";&R:r ~ I ~ , ~ ~ fu";&R:r "qjf ~~ 31~ ~ ~ ~ ~ m ~, ~ ~ ~ m ~ ~\.fctl~UI ~ ~ m ~ ~ I ~ ("5{T(('r) ~ ~ ~ ~ ~ ~ ~ ~ 3W ~ "5{T(('r ~ ~ m fu-~ ~ ~ ~ ~ ~, ~ ~ "5{T(('r ~ d.jldctl~UI ~ . -- I ~ ~, ~ ~ "qjf m "qjffi-m ~ \.f~~G'11 rq)"{UT , d.jldctl~UI, r ? ~,C"..-'~'~ --~- "'"

Formatting page ...

Top Contributors
to this ResPaper
(answers/comments)


prayuj
(29)

luckykaul
(10)

Deepak Nair
(4)

harshtyagi
(1)

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

Formatting page ...

 

  Print intermediate debugging step

Show debugging info


 

Additional Info : CBSE Class XII Board Solved Question Paper 2011 Physics
Tags : CBSE Board 2015, Specimen Question Paper 2011 Physics, Science, solved sample mock guess question paper, cbse class XII syllabus, cbse class 12 previous years model papers, cbse, cbse papers, cbse sample papers, cbse books, portal for cbse india, cbse question bank, central board of secondary education, cbse question papers with answers, prelims preliminary exams, pre board exam papers, cbse model test papers, solved board question papers of cbse last year, previous years solved question papers, free online cbse solved question paper, cbse syllabus, india cbse board sample questions papers, last 10 years cbse papers, cbse question papers 2017, cbse guess sample questions papers, cbse important questions, specimen / mock papers 2018.  

© 2010 - 2025 ResPaper. Terms of ServiceContact Us Advertise with us

 

cbse12 chat