ICSE − Q & A

What are the uses of alpha, beta and gamma radiations, each in particular?

+ 8 more questions by varnzkatz  

State one use of the phenomenon of thermionic emission.
asked by Varna Sajee (varnzkatz) 8 years ago
3

In a cathode ray tube, why is the anode kept kept at a positive potential with respect to the cathode?
asked by Varna Sajee (varnzkatz) 8 years ago
1

In cathode ray tube, why is the tube : (A) evacuated (B) maintained at a very low pressure of 0.001 mm of Hg ?? Are both answers the same?
asked by Varna Sajee (varnzkatz) 8 years ago
1

In physics, if they ask us to write the energy conversion in a cathode ray tube, do we write heat energy to electrical energy or heat to visual pattern...or like how should we put it across? What's the right answer?
asked by Varna Sajee (varnzkatz) 8 years ago
1

In thermionic emission, do we have to learn Edison's experiment? (The one which he set up for discovery of thermionic emission)
asked by Varna Sajee (varnzkatz) 8 years ago
2

Give the I.U.P.A.C names of the two isomers of butane.
asked by Varna Sajee (varnzkatz) 8 years ago
1

Name a solid which on reaction with water forms- (a) Methane (b) Ethyne
asked by Varna Sajee (varnzkatz) 8 years ago
2

Could someone pls post the structure of the following organic compounds?- 1. 2,2 dimethyl propane 2. 2, methyl butane 3. 2,2 dimethyl pentane 4. 3,3 dimethyl but-1-yne 5. 2,3 dichloropentane
asked by Varna Sajee (varnzkatz) 8 years ago
1

Where the domestic and foreign policy of hitler and domestic policy of mussolini is given

When should we use throws IOException?

Why does prince of arragon chose silver? Elaborate on the deserving speech?

+ 1 more questions by vishwa70  

Do We have to use ball pen for answering questions in boards?
asked by Smita Sharma Sharma (vishwa70) 8 years ago
1

Who is the constitutional head of union government?

Why does Jessica refer to Medea?

Does hepatic vein carry maximum urea few hours after a protein rich diet and renal artery carry max urea several hours after a protein rich diet??

Justify the needs for a single unified judicial system.
(4 marks)

Why was gopal krishna gokhale known as the political guru of Gandhi?

hey frndzz one of our frnd @vratika has uploaded the geo exercise of the chapter climate ....plzz have a view here:
http://www.respaper.com/vratika_moolrajani/6435-pdf.html
though she has informed me as a comment, i'm posting it for the sake of those frndzz those who were in search of it..plzz do zoom in it //there is a small problem while uploading it(as far i think....dont know the actual reason)once again thhnnnnxxxxx aaaa loootttttt @vratika:p