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प्रश्न
Fill in the following blank with a suitable word:
When light is reflected, the angles of incidence and reflection are ............ .
उत्तर
When light is reflected, the angles of incidence and reflection are equal.
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संबंधित प्रश्न
An object is placed 20 cm in front of a plane mirror. The mirror is moved 2 cm towards the object. The distance between the positions of the positions of the original and final images seen in the mirror is ______.
A ray of light strikes a plane mirror PQ at an angle of incidence of 30°, is reflected from the plane mirror and then strikes a second plane mirror QR placed at right angles to the first mirror. The angle of reflection at the second mirror is ______.
A vertical ray of light strikes the horizontal surface of some water:
What is the angle of refraction?
The incident rays and refracting rays are on opposite sides of the normal.
Write scientific reason.
The bottom of a pond appears raised.
The refractive index of a transparent medium is always greater than ______.
Which object use the reflection of light?
The ratio of the sine of the angle of incidence to the sine of ______ is constant.
Which is optically denser out of the two medium M1& M2 having the refractive indices = 1.71 and 1.36 respectively?
Under what circumstances there won’t be any refraction of light when it enters from one medium to another?