Important Questions of MP Board Class 12 Physics

 Important Questions of MP Board Class 12 Physics By AARISH SIR 

1 Define Remote Sensing

2 Define Conjugate Focci

3. Give 2 characteristics of laser rays

4. If the length of a conducting wire becomes twice, when stretched Then, how many times, resistance will increase Calculate?

5. What is a thermistor? Wile the uses

6 What is a superconductor? Write the uses

7 Define the formula for refractive index of material of prism

8. With the help of Biot-Severt's law, obtain an expression for the intensity of magnetic field near a straight, long current carrying conductor

9 What are electromagnetic waves. Write their charactenstics( any six)

10 What is a communication system? What are the main parts of it, explain with the help of a block diagram

11. State and Prove Gauss's Theorem

12 What is the greenhouse effect? Explain

13 What is photoelectic effect?

14 What is demodulation?

15 Derive expression for the self inductance of a solenoid What factors affect it?

16 Differentiate Analog signal and digital signal with diagrams

17 What is Parallax? Explain

18 What is Optical Fibre? On What Principle Does It Work?

19 Write Faraday's Laws of Electromagnetic Induction and obtain an expression of induced e.m.f

20 Describe the terrestrial telescope on the basis of the following point