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प्रश्न
When a ray of light travels from water to air, it bends ............. the normal.
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उत्तर
When a ray of light travels from water to air, it bends away from the normal.
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संबंधित प्रश्न
Fill in the following blank with a suitable word:
When light is reflected, the angles of incidence and reflection are ............ .
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 ______.
What is meant by the 'angle of incidence' and the 'angle of refraction' for a ray of light?
Water is optically .......... than air.
Air is optically .......... than glass.
The speed of light varies in different media.
The angle of incidence for a ray of light having zero reflection angle is ______.
A pencil when dipped in water in a glass tumbler appears to be bent at the interface of air and water. Will the pencil appear to be bent to the same extent, if instead of water we use liquids like, kerosene or turpentine. Support your answer with reason.
Light travels fastest in a vacuum. Why?
The ratio of the sine of the angle of incidence to the sine of ______ is constant.
