ISC 12th − Q & A

Ray diagram and derivation of
magnifying power of a simple
microscope with image at D (least
distance of distinct vision) and infinity;
Ray diagram and derivation of
magnifying power of a compound
microscope with image at D. Only
expression for magnifying power of
compound microscope for final image
at infinity. Ray diagrams of refracting telescope
with image at infinity as well as at D;
simple explanation; derivation of
magnifying power; Ray diagram of
reflecting telescope with image at
infinity. Advantages, disadvantages
and uses. Resolving power of
compound microscope and telescope.

given in syllabus...are you peeps doing all of these?

+ 3 more questions by rockstardas  

How to know if a substance is para- or dia- magnetic by keeping it in a magnetic field? I think this ques was in a paper, forgot which one.......
asked by Anik Das (rockstardas) 6 years ago
1

Solve this plz
asked by Anik Das (rockstardas) 6 years ago
3

does someone have a list/pdf of all required proofs of physics? will me much appreciated :)
asked by Anik Das (rockstardas) 6 years ago
1

Do we have to study law of malus ??

CHEMISTRY- When to use sp3d2 and d2sp3?
same with sp3d and dsp3?

plz. explain

+ 2 more questions by ktk2911  

what is the name of the constant 'k' used in rate law equation?
asked by Karthik Shivkumar (ktk2911) 6 years ago
1

Hi Guys! I am from a CBSE school, I know that this is an ISC group, but the CBSE Respaper group here is so dead, so can you guys help me out?
asked by Karthik Shivkumar (ktk2911) 6 years ago
1

How do electric and magnetic components of electromagnetic waves change when they enter a medium with refractive index(n) ?

Assume in vacuum electric field = E and magnetic field = B...

+ 2 more questions by hamba  

https://www.respaper.com/hamba/2914-pdf.html
asked by Richeek Das (hamba) 6 years ago
1

Sorry for posting the question here. But anyone willing to do this can try...
asked by Richeek Das (hamba) 6 years ago
1

CBSE guy here.

The CBSE forum here is total shit, so can you guys be kind enough to help me out? We've had our physics paper and I couldn't complete it on time, and now I'm scared as hell for Bio and Chem. I took CBSE in 11th and 12th just to concentrate on my med entrance, so I naturally didn't practice any papers and stuff. Could you guys give me some sort of tips? I know CBSE is different, but still, any kind of help would be appreciated.

P.S. Its great to see some of the old faces from the ICSE 2017 days back on res...

Is X-rays lssn there in syllabus..??
my prelim paper::https://www.respaper.com/mmks1234/3002-pdf.html

1 more exam left lol ☀️I just woke up from that maths torture. Hi btw how’s physics

https://drive.google.com/file/d/17EW4BmHNi1lYn6dvN9LGQ51Fh_Fwhh6p/view?usp=drivesdk

How do u feel after todays exam? 😶

integral of ( e^2x(sinx+cosx)) ?