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Earn 100

Discuss the intensity of transmitted light when a polaroid sheet is rotated between two crossed polaroids.

Important Questions on Wave Optics

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Gamma Question Bank for Medical Physics>Chapter 27 - Wave Optics>Assigment>Q 50
An unpolarised beam of light is incident on a group of four polarising sheets, which are arranged in such a way that the characteristic direction of each polarising sheet makes an angle of 30° with that of the preceding sheet. What fraction of light is transmitted ?
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Gamma Question Bank for Medical Physics>Chapter 27 - Wave Optics>Assigment>Q 59
Unpolarised light of intensity 32 W m-2 passes through three polarisers such that the transmission axis of the last polariser is crossed with the first. If the intensity of emerging light is 2 W m-2, the angle between the transmission axes of the first two polarisers is
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Gamma Question Bank for Medical Physics>Chapter 27 - Wave Optics>Assigment>Q 3
If an interference pattern, the ratio of maximum and minimum intensity is 9 : 1, then the ratio of amplitudes of interfering waves is
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Gamma Question Bank for Medical Physics>Chapter 27 - Wave Optics>Assigment>Q 4
YDSE is performed in air and then with same setup performed in water, the fringe width in water
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Gamma Question Bank for Medical Physics>Chapter 27 - Wave Optics>Assigment>Q 5
In YDSE, slits are 0.589 mm apart. If a sodium vapour lamp of wavelength 589 nm is used, then angular width of central maxima is
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Gamma Question Bank for Medical Physics>Chapter 27 - Wave Optics>Assigment>Q 10
Who proposed the wave theory of light?
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Gamma Question Bank for Medical Physics>Chapter 27 - Wave Optics>Assigment>Q 13
What do you mean by coherent sources?
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Gamma Question Bank for Medical Physics>Chapter 27 - Wave Optics>Assigment>Q 20

Explain the statement ‘light added to light can produce darkness.’