What is meant by power of lens.A student uses a lens of focal length 40cm and another of -20.Write the nature and power of each lens.
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power of lens is the ability of the lens to converge the rays of light falling on it. Definition: The power of lens is the reciprocal of its focal length in meters.
power=1/f(m).
total focal length is +20
ie lense is converging in nature.
hope this helps
please mark my answer brainliest.
power=1/f(m).
total focal length is +20
ie lense is converging in nature.
hope this helps
please mark my answer brainliest.
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