Explaining formation of newton rings and brewster angle

Question

Question 1) Briefly explain about interference.

Question 2) What do you mean by interferometers?

Question 3) Describe the term ‘Virtual Sources’.

Question 4) What do you mean by diffraction?

Question 5) What do you understand by grating element.

Question 6) How is a zone plate compared with convex lens?

Question 7) Define Malus law.

Question 8) What do you understand by Brewster angle.

Question 9) Define optical activity.

Question 10) Describe the term Laplace correction.

Question 11) What are Ultrasonics?

Question 12) What is the effect of temperature on the velocity of sound?

Question 13) Describe the term resonance.

Question 14) Define intensity of a sound wave.

Question 15) What is a stroboscope?

Question 16)(a) Explain the formation of Newton’s rings.

(b) Write a detailed note on energy and loudness level of sound waves.