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प्रश्न
State four uses of a plane mirror.
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उत्तर
Four uses of plane mirror are:
- Plane mirrors are used in the construction of reflecting periscope.
- They are used as looking glass.
- They are used in solar cookers for reflecting the rays of the sun into the cooker.
- They are used for signaling purposes.
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संबंधित प्रश्न
If the angle between the plane mirror and the incident ray is 40∘, what are the angles of incidence and reflection?
A ray is incident on a plane mirror . Its reflected ray is perpandicular to the incident ray . Find the angle of incidence .
A boy is standing in front of a plane mirror at a distance of 3 m from it.
(i) What is the distance between the boy and his image?
(ii) If the boy moves 1 m backward, find the distance between the image and the boy.
Complete the path of incident ray in the following case.
Complete the path of incident ray in the following case.
What is reflection of light?
Which of the following ray diagrams is correct for the ray of light incident on a lens shown in figure?
 |
 |
| A | B |
 |
 |
| C | D |
______ through which light cannot pass.
What happens when light hits a transparent object?
Total internal reflection will occur if the angle of reflection is ______.
