Total No. of Questions - 21 Regd.
Total No. of Printed Pages - 2
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Part - I
PHYSICS Paper II
(English Version)
Time : 3 Hours Max. Marks : 60
SECTION A 10 x 2 = 20
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Notes : 1) Answer all questions.
i) Each question carries two marks.
iii) All are Very Short Answer Type Questions.
- What is hypermetropia? How can it be corrected?
- How do you convert a moving coil galvanometer into an ammeter?
- What is the magnetic moment associated with a solenoid?
- Define magnetic declination.
- Write the expression for reactance of an inductor and a capacitor.
- What are the applications of microwaves?
- Write DeBroglie's relation and explain the terms therein.
- What is work function?
- Draw the circuit symbols for p-n-p, n-p-n transistors.
- Mention the basic methods of modulation.
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SECTION B 6 x 4 = 24
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Notes: 1) Answer any six of the following questions.
ii) Each question carries four marks.
iii) All are Short Answer Type Questions.
- Define critical angle. Explain total internal reflection using a neat diagram.
- How do you determine the resolving power of your eye?
- State Gauss's law in electrostatics and explain its importance.
- Derive an expression for the capacitance of a parallel plate capacitor.
- State and explain Ampere's Law.
- Describe the ways in which Eddy currents are used to advantage.
- Describe Rutherford atomic model. What are the drawbacks of this model?
- Distinguish between half and full wave rectifiers.
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SECTION C 2 x 8 = 16
Notes : 1) Answer any two of the following questions.
i) Each question carries eight marks.
iii) All are Long Answer Type Questions.
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- What is Doppler Effect? Obtain an expression for the apparent frequency of sound heard, when the source is in motion with respect to an observer at rest. Mention its applications.
- State Kirchhoff's laws for an electrical network. Using these laws, deduce the condition for balance in a Wheatstone Bridge.
- Explain the principle and working of a nuclear reactor with the help of a labelled diagram.
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