B.Tech 1st Year Important Questions|| Physics|| Part-1 ~ My Notes

B.Tech. (1^st year)

EXAMINATION,

PHYSICS

(Important Questions)

Hello Everyone, Welcome to our Blog My Notes . Today we are going to share Important questions of physics. These questions are important of 1st year so don,t waste your time right down these questions or you can downoad the complete docs mention below.

(Short answer type questions, each question of 3 marks)

1.What is interference ?

2. What is diffraction ?

3. What is polarization of light ?

4.What is LASER ?

5.What is Curie law of ferromagnetism ?

6.What are seven crystal systems ?

7. What is pointing theorem ?

( Long Answer type Questions, Each questions of 5 marks)

8.Give the theory of plane transmission diffraction grating.

9.Describe construction and working of Ruby laser or He-Ne laser.

10.What is super conducitivity ? Give some examples of superconductors. Explain meissner effect ,critical magnetic field type 1^st and type 2^ndsuperconductors, persistent current

11.Explain ferromagnetism , ferroelectricty piezoelectricity

12.Mention Maxwell equation of electromagnetism. Write any one of them in integral form.

13.What is double refraction ? Give its examples showing ordinary and extraordinary rays.