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प्रश्न
Fill in the following blank with suitable word:
Light travelling along a normal is ...............refracted.
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उत्तर
Light travelling along a normal is not refracted.
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संबंधित प्रश्न
What is refraction of light?
The angle of reflection is equal to the angle of incidence:
(a) always
(b) sometimes
(c) under special conditions
(d) never
The image of an object formed by a plane mirror is:
(a) virtual
(b) real
(c) diminished
(d) upside-down
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 ray of light passes from air into a block of glass. Does it bend towards the normal or away from it?
Show the lateral displacement of the ray on the diagram.
Light travels at a lower speed in water than in air.
Draw a diagram showing the refraction of a light ray from water to glass. Label on it the incident ray, the angle of incidence (/), and the angle of refraction (r)
Identify the wrong figure from the following.
Write scientific reason.
The bottom of a pond appears raised.
What is refractive index?
The deviation of light ray from its path when it travels from one transparent medium to another transparent medium is called ______.
In the above diagram light is travelling through different media. It is noted by a scientist that ∠1= ∠3 = ∠4 but ∠2 < ∠1. Which of the following statement would be correct?
When light passes from one medium to another the ray gets bent. This property of light is called ______.
How does the light travel?
Twinkling of stars and Mirage are the two phenomena occurring due to refraction.
How do twinkling stars occur? (or) what is the cause of the twinkling of stars?
The change in the direction of the path of light when it passes from one transparent medium to another transparent medium is called:
The ray that enters the second medium after crossing the boundary is called the:
The absolute refractive index of a medium is given by:
