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Question 1 of 10
1. Question
If Path Difference between waves is 11λ/4 then the phase difference between two waves will be
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Question 2 of 10
2. Question
For Minimum intensity the phase difference between two waves is
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Question 3 of 10
3. Question
Two waves of amplitudes A1 and A2 superimpose with each other such that A1 > A2 . The difference between maximum and minimum amplitude is
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Question 4 of 10
4. Question
Two coherent sources of intensity ratio α interface. In interface pattern I(max) – I(min) / I(max) + I(min) =
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Question 5 of 10
5. Question
The distance of a point on the screen from two slits in biprism experiment is 1.8 x 10-5 m and 1.23 x 10-5 m. If wavelength of light used is 6000 A0, the fringe width formed at that point is
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Question 6 of 10
6. Question
Two coherent monochromatic light beams of intensities ‘4I’ and ‘9I’ are superimposed. The maximum and minimum possible intensities in the resulting beam are
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Question 7 of 10
7. Question
Resolving power of telescope increases when
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Question 8 of 10
8. Question
Two coherent sources P and Q produce interference at point A on screen where there is a dark band which is formed between 4th bright band and 5th dark band. Wavelength of light used is 6000 A. The apth difference between PA and QA is
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Question 9 of 10
9. Question
In biprism experiment the distance between source and eyepiece is 1.2m the distance between two virtual sources is 0.84 mm . Then the wavelength of light used if eyepiece is to be moved transversly through a distance of 2.799 cm to shift 30 fringes is
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Question 10 of 10
10. Question
Light of wavelength λ is incident on a single slit of width a and the distance between slit and screen is D. In diffraction pattern, if slit width is equal to the width of the central maximum , then D is equal to
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