wave-optics

Related Questions

• Two beams of light having intensities I and 4I interfere to produce a fringe pattern on a screen. The phase difference between the beams is $\frac{\pi}{2}$ at point A and $\pi$ at point B. Then the difference between the resultant intensities at A and B is

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• The frequency of light ray having the wavelength 3000 Å is

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• A parallel beam of monochromatic light of wavelength 5000 Å is incident normally on a single narrow slit of width 0.001 mm. The light is focused by a convex lens on a screen placed on the focal plane. The first minimum will be formed for the angle of diffraction equal to

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• The width of the nth HPZ will be

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• A rocket is going away from the earth at a speed 0.2c, where c = speed of light. It emits a signal of frequency $4 \times {10^7}Hz$. What will be the frequency observed by an observer on the earth

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