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1. What do you understand by diffraction of waves? Explain why the diffraction of sound is more easily observable than the diffraction of light?
2. The wavelength of two spectral lines are 589 μm and 588 μm. what is the minimum number of lines a grating must have in order to resolve these lines in the first order spectrum?
brewsters law
An organ pipe which is open at both ends resonates at its fundamental frequency. Neglecting any end effects, what wavelength is formed by this pipe in this mode of vibration i
Q. Illustrate what is the dissimilarity between diffraction and interference? Answer:- Diffraction is the yielding of waves around an obstacle while interference is the me
Fermat's principle; principle of least time (P. de Fermat): The principle put by P. de Fermat, which states the path taken through a ray of light among any two points into a s
which theorem is better among all network theorems
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Length contraction (relativity of length) is the length of a body moving with a relativistic velocity v = c relative to an observer is contracted by a factor in the direction of m
Why can''t I fly
A bomber plane moves horizontally with a speed of 500 m/s and a bomb released from it, strikes the ground in 10 sec. angle at which it strikes the ground will be (g=10m/s) 1. tan
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