Trying to find the right answer to this..

Subject

Physics

Class

ICSE Class 12

Pre Boards

Practice to excel and get familiar with the paper pattern and the type of questions. Check you answers with answer keys provided.

Sample Papers

Download the PDF Sample Papers Free for off line practice and view the Solutions online.

ISC Class 12 Physics Solved Question Paper 2006

Short Answer Type

1. Can 8.6 x 10^-19 coulomb of charge be given to a conductor ? Explain.

No, because it is not the integral multiple of charge on electron or proton.

Q = ne

where n is an integral multiple.

1701 Views

2. What will be the nature of the electric potential at a place where the electric field E = 0 ?

345 Views

3. What is the work done in turning an electric dipole through 360° ?

374 Views

4. Why is a potentiometer preferred over a voltmeter in measuring the emf of a cell ?

981 Views

5. Two wires A and B of equal mass and of the same material are taken. The diameter of wire A is half the diameter of wire B. If the resistance of wire A is 24 Ω, calculate the resistance of wire B.

769 Views

6. In the circuit, the length of the wire AB = 400 cm. Where should the jockey, J be placed so that the galvanometer shows a zero deflection?

835 Views

7. The thermoelectric emf is given by,

E =

aθ space plus space 1 half βθ squared

;
where θ is the difference in temperature of the hot junction over the cold junction and α and β are constants.

Express the neutral temperature θ_n in terms of α and β.

347 Views

8. State the S.I. unit of the magnetic moment of a magnet, indicating its direction.

440 Views

9. An electron, moving with a velocity of 5 x 10⁷ ms^-1, enters a magnetic field of 1 wb m^-2 at an angle of 30°. Calculate the force on the electron.

610 Views