Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>EXERCISE 10.1>Q 7

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The light waves having displacements $y_{1} = 10 \sin (ω t - k x)$ and $y_{2} = 5 \sin (ω t - k x + ϕ)$ interfere. The ratio of maximum to the minimum intensity of light in the interference pattern is

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Important Questions on Wave Optics

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>EXERCISE 10.2>Q 12

The colour shown by a thin oil film on water in sunlight is due to

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>EXERCISE 10.2>Q 13

Light enters in a glass slab of refractive index

\frac{3}{2}

and covers a distance

20 cm

. The optical path of it is

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 1

By corpuscular theory of light, the phenomenon which can be explained is

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 2

The idea of secondary wavelets for the propagation of light wave was first given by

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 10

Two identical light waves, propagating in the same direction, have a phase difference

δ .

After they superpose, the intensity of the resulting wave will be proportional to

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 20

In YDSE,

d = 2 mm, D = 2 m

and

λ = 500 nm .

If intensity of two slits are

I_{0}

and

9 I_{0}

, then find intensity at

y = \frac{1}{6} mm .

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 29

In Young's double slit experiment, if one of the slits is closed fully, then in the interference pattern

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 31

In a Young's double slit experiment, let

β

is the fringe width and

I_{0}

is the intensity at the central bright fringe. At a distance

x

from the central bright fringe, intensity will be