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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 ............ .
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उत्तर
When light is reflected, the angles of incidence and reflection are equal.
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संबंधित प्रश्न
A wall reflects light and a mirror also reflects light. What difference is three in the way they reflect light?
What type of reflection of light takes place from a cinema screen?
If a ray of light goes from a rarer medium to a denser medium, will it bend towards the normal or away from it?
State two effects caused by the refraction of light.
In which material do you think light rays travel faster-glass or air?
Image is formed by a mirror due to refraction of light.
Draw suitable diagrams to illustrate how a beam of light incident parallel to the principal axis is reflected by:
(a) a concave mirror, and (b) a convex mirror
Choose and write the correct option.
If we gradually increase the angle of incidence of a ray of light passing through prism then …..
Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 × 108 m s−1.
What is atmospheric reflection? Explain with the help of a labelled diagram that the position of a star as seen by us is not its true position.
List in proper sequence the steps of the experiment for determining the approximate focal length of a given concave mirror by obtaining the image of a distant object.
Observe the given figure and write appropriate phenomenon of light in the box.
The refractive index of a transparent medium is always greater than ______.
The deviation of light ray from its path when it travels from one transparent medium to another transparent medium is called ______.
The phenomenon of light passing through the object is called ______.
When light passes from one medium to another the ray gets bent. This property of light is called ______.
How does the light travel?
When light travels from a rarer medium to a denser medium, its speed:
When a ray of light is incident along the normal on the surface separating two media:
