CBSE Class-12 Compartment Exam 2019 : Question Paper- Physics

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CBSE Class-12 Compartment Exam 2019 : Question Paper- Physics



SECTION A

1. Define the angle of inclination at a given place due to earth’s magnetic field.

2.Name the most energetic electromagnetic radiation and write its frequency range.
OR
Name the electromagnetic radiation used in eye surgery or to kill germs in water purifiers. Write its frequency range. 

3.Estimate the frequency associated with a photon of energy 2 eV.
OR
In photoelectric effect, does the photoelectric current depend on the intensity of incident radiation ? Give reasons.

4.Which property of nuclear force explains the approximate constancy of binding energy per nucleon with mass number A for nuclei in the range

5. Define the term ‘band width’ of message signals in communication system.

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