6
ICAR JRF Agricultural Physics 29 Jun 2024Shift 1
MCQ (Single Correct) +4 −1

Which of the following is true about Sustained Interference of light waves

(A) .Waves from two sources must of same frequency
(B) .The path difference between overlapping waves must be less than the coherence length of the waves
(C) .The two light waves must be coherent
(D) .Waves polarized in perpendicular planes produce interference effects

Choose the correct answer from the options given below:

7
ICAR JRF Agricultural Physics 29 Jun 2024Shift 1
MCQ (Single Correct) +4 −1
Bending of light waves around the corners and spreading into the geometrical shadow of an object is called
8
ICAR JRF Agricultural Physics 29 Jun 2024Shift 1
MCQ (Single Correct) +4 −1
In any fission process the ratio of mass of parent nucieus jg ‘mass of Fission products
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