wave-optics

Related Questions

• Select the right option in the following

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• In Fresnel diffraction, if the distance between the disc and the screen is decreased, the intensity of central bright spot will

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• Three observers A, B and C measure the speed of light coming from a source to be ${v_A}$, ${v_B}$ and ${v_C}$. The observer A moves towards the source, the observer C moves away from the source with the same speed. The observer B stays stationary. the surrounding space is vacuum every where. Then

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• In two separate set - ups of the Young's double slit experiment, fringes of equal width are observed when lights of wavelengths in the ratio 1 : 2 are used. If the ratio of the slit separation in the two cases is 2 : 1, the ratio of the distances between the plane of the slits and the screen in the two set - ups is

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• According to corpuscular theory of light, the different colours of light are due to

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