1)Which of the following conditions is necessary to have interference between tw

Question

1)Which of the following conditions is necessary to have interference between two light waves?

a) They should be of a visible wavelength

b) They should be coherent

c) They should be in vacuum

d) none of the above

2)If you illuminate a YDS set up with white light, the central spot will be:

a) blue

b) red

c) white

d) black

3)You are travelling on the highway and you see a car approaching you from a distance. It appears that it has only one headlight. This phenomenon is caused by:

a) Diffraction setting a limit on the resolution of the human eye

b) Interference of light causing ripples in air

c) Reflection of light from the surface of the road

4) Polarizers are used in

a) 3D movie glasses

b) sunglasses

c) LCD screens

d) all of the above

Explanation / Answer

Ans 1 - Part b)They should be coherent

Ans 2- Part c) white

Ans 3- Part a) Diffraction setting a limit on the resolution of the human eye

Ans 4- Part d)All of the above

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.