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Q.

Which of the following statements are true
a) Diffraction effect is more in light as compared to sound
b) Light can be polarized by refraction
c) In a Bright band all points are equally bright in interference
d) If diameter of objective lens in telescope is increased then resolving power will increase

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a

a,b,d are true

b

c,d are true

c

b,c,d are true

d

b,d are true

answer is B.

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Detailed Solution

detailed_solution_thumbnail

Diffraction effect is less in light as compared to sound.

Light can be polarized by refraction.

In a Bright band all points are not equally bright.

If diameter of objective lens in telescope is increased then resolving power will increase. 

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