during refraction________will not change A) wave length B) frequency C) speed of light D) all the above
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Your answer is A) Wave length
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WolverineX24:
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what is the lens maker formula
Lens maker's formula is used by lens manufacturers for making lenses of desired focal lengths. When a point object 'P' is kept on principle axis which is formed by joining the centers of curvature, one ray passes along the principle axis without deviation.
i want formula
bro
derive lens maker's formula. It is a relation that connects focal length of a lens to radii of curvature of the two surfaces of the lens and refractive index of the material of the lens.
an emission spectrum consists of bright spectral lines on a dark ground which one of the following does not correspond to the bright spectrum ?
A) frequency of emmited radiation,B) wave length of emmited radiation,C) energy of emitted radiations ,D)velocity of light
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