what is refractive index plz tell me briefly and also tell me the refractive index of glass
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REFRECTIVE INDEX IS SPEED OF LIGHT IN A MEDIUM UPON SPEED OF LIGHT IN VACCUM .
REFRECTIVE INDEX GIVES AN INDICATION OF THE LIGHT BENDING ABILITY IN A MEDIUM.
A SUBSTANCE HAVING HIGH REFRECTIVE INDEX IS OPTICALLY DENSER AND VICE VERSA.
IT DEPENDS ON THE NATURE OF MATERIAL OF MEDIUM AND WAVELENGTH OF LIGHT USED .
REFRECTIVE INDEX OF GLASS = 1.52.
IT HAS NO UNIT .
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