What is the index of refraction of air?
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to find the temperature of the sun, the following law is used 1. Charles'law, 2. Stefan's fourth power law of radiation, 3. Boyle's law, 4. Kirchhoff's law
the resolutions of a michelson interferometer operating with a light source of 640nm wavelenth is A.1280nm B.640nm C.80 nm D.1nm
the fundamental forces of nature are most correctly given as?
Explain the Rectilinear Propagation of Light ?
Describe the main process involved in the manufacture sugar. What is the main bi-product of sugar industry and to what use as put in Bihar ?
What is the difference between photodiode & photocell.
The most abundant metal in the atmosphere?
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What is the laws of dry or solid friction.
which has the highest elasticity?
Explain the Elasticity and Surface Tension ?
Why does heat cause matter to expand?
what is meant patch cards..