CBSE Class 12th Physics question paper 2012 Set-3

Sep 16, 2013, 16:08 IST

Find CBSE Board Exam 2012 Class XII Physics Question Paper (Set-3). This CBSE Class 12 Physics Question Paper 2012 (Set -3) will help you to get the information about the questions  and the latest pattern that how questions  are being framed.

Solve 2012 CBSE-Physics Question Paper (Set-3) given here.

1. Why is the potential inside a hollow spherical charged conductor constant and has the same value as on its surface?

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2. A magnetic needle, rree to rotate in a vertical plane, orients itself vertically at a certain place on the Earth. what are
the values of (i) horizontal comnponent of Earth's magnetic field and (ii) angle of dip at this place ?

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3. Name the electromagnetic waves, which (i) maintain the Earth's warmth and (ii) are used in nircraft navigation.

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5. How does focal length of a lens change when red light incident on it is replaced by violet light ? Give reason for your
answer.

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6. Write the relationship between the size of a nucleus and its mass number (A).

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