Question

To observe diffraction of cylindrical obstacle following ………instrument is used. a) Spectrometer b) Spectrophotometer c) Galvanometer d) Optical Bench​

Answer 1

As you have probably noticed, the diffraction pattern occurs only when the distance between the fingers is very small. It is the most essential condition for the diffraction to occur. The opening or slit width has to be comparable or less than the wavelength of light for prominent diffraction patterns

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Answer 2

Answer:

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