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

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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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Important Questions on Wave Optics

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 21

In Young's double slit experiment, the intensity at a point where path difference is

\frac{λ}{6}

is

I .

If

I_{0}

denotes the maximum intensity,

\frac{I}{I_{0}} .

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 22

Two slits,

4 mm

apart, are illuminated by a light of wavelength

6000 Å .

What will be the fringe width on a screen placed

2 m

from the slits?

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 23

In Young's double slit experiment, the central bright fringe can be identified

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 24

In a Young's double slit experiment, the source illuminating the slits is changed from blue to violet. The width of the fringes

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

If a torch is used in place of monochromatic light in Young's experiment what will happen

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 26

In Young's double slit experiment, when two light waves form third minimum, they have

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 27

For the sustained interference of light, the necessary condition is that the two sources should

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Gamma Question Bank for Engineering Physics>Chapter 25 - Wave Optics>Assignment Set-2>Q 28

Which of the following is conserved when light waves interfere?