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प्रश्न
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उत्तर
A parallel beam of light is the beam in which rays of light travel parallel to each other. A divergent beam of light is the beam of light in which rays of light diverge from each other as the beam progresses
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संबंधित प्रश्न
Write true or false of the following statement.
When a light ray is reflected from a wall, the angle of incidence is not equal to the angle of reflection.
Explain the following term :
Plane mirror
Draw diagram/diagrams to show them.
Write three characteristics of the image formed by a plane mirror?
What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.
The image formed by a plane mirror is :
Calculate the number of images formed in two plane mirrors, when they are held at the angle of (i) 72° (ii) 36°.
A boy stands 4 m away from the plane mirror. If the boy moves `1/2` m towards the mirror, what is now the distance between the boy and his image? Give a reason for your answer.
An insect is sitting in front of a plane mirror at a distance of one meter from it.
- Where is the image of insect formed?
- What is the distance between insect and its image?
- State any two characteristics of image formed in a plane mirror.
Write down the letters of the word ‘POLEX’ as seen in a plane mirror, held parallel to the plane of this paper.
