Physica gi) Find angle of incidence if angle of refraction is 20 degrees for a glass having refractiveindex 1.5

Physica gi) Find angle of incidence if angle of refraction is 20 deg

1.	Physica gi) Find angle of incidence if angle of refraction is 20 degrees for a glass having refractiveindex 1.5
Answer» ng to the LAWS of REFLECTION ANGLE of INCIDENCE is always equal to angle of reflection.So angle of incidence = angle of reflection=20°

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Physica gi) Find angle of incidence if angle of refraction is 20 degrees for a glass having refractiveindex 1.5​

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Physica gi) Find angle of incidence if angle of refraction is 20 degrees for a glass having refractiveindex 1.5