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प्रश्न
The refractive index of a transparent medium is always greater than ______.
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उत्तर
The refractive index of a transparent medium is always greater than one.
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संबंधित प्रश्न
What is refraction of light?
Fill in the following blank with a suitable word:
When light is reflected, the angles of incidence and reflection are ............ .
A ray of light travelling in glass emerges into air. State whether it will bend towards the normal or away from the normal.
What is meant by the ‘angle of incidence’ for a ray of light?
How does the light have to enter the glass:
for no refraction to happen?
Water is optically .......... than air.
List four characteristics of the image formed by a concave lens of focal length 20 cm when the object is placed at a distance of 40 cm from its optical centre.
You are given water, mustard oil, glycerine and kerosene. In which of these media a ray of light incident obliquely at same angle would bend the most?
The ray that enters the second medium after crossing the boundary is called the:
According to the second law of refraction, for a given pair of media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction:
