CBSE 12th Physics Question Paper 2012 Free Download

CBSE Class 12th Physics Question Paper 2012, CBSE Delhi Class 12th (XII) 2012 Physics Question Paper CBSE Class XII Physics Question Paper 2012 outside Delhi Students Free Download CBSE 12th – XII Physics Question Paper for Foreign Students with Answers and Solution 2012 CBSE Board Exam Papers for Class 12 (XII) std CBSE 2012 Physics Question Bank with Full Details


Time: 3 hours                                                                                                   Marks:100

1. Two wires of equal length, one of copper and the other of manganin have the same resistance. Which wire is thicker ?

2. What are the directions of electric and magnetic field vectors relative to each other and relative to the direction of propagation of electromagnetic waves ?

3. How does the angular separation between fringes in single-slit diffraction experiment change when the distance of separation between the slit and screen is doubled ?

4. For the same value of angle of incidence, the angles of refraction in three media A, B and C are 15°, 25° and 35° respectively. In which medium would the velocity of light be minimum .

5. A proton and an electron have same kinetic energy. Which one has greater de-Broglie wavelength and why?

6. Mention the two characteristic properties of the material suitable for making core of a transformer.

7. A charge ‘q’ is placed at the centre of a cube of side 1. What is the electric flux passing through each face of the cube .

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Updated: June 14, 2013 — 8:40 am © 2013