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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
How is the position of an image related to the position of the object?
What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.
Why is it difficult to read the image of the text of a page formed due to reflection by a plane mirror?
The image formed by a plane mirror is :
Two plane mirrors are placed making an angle θ in between them. Write an expression for the number of images formed of an object placed in between the mirrors. State the condition, if any.
State two uses of a plane mirror.
State the mirror formula for the formation of total number of images formed in two plane mirrors, held at an angle.
What must be the minimum length of a plane mirror in which a person can see himself full length? Draw a diagram to justify your answer. Does the distance of a person from the mirror affect the above answer?
Parallel rays are incident:
- on regular surface and
- on irregular surface. In what respect do reflected rays in (1) differ from those of (2)?
Select the correct option:
A ray of light is incident on a concave mirror. If it is parallel to principal axis, the reflected ray will:
