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प्रश्न
Identify the following kind of beam of light.
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उत्तर
A parallel beam of light
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संबंधित प्रश्न
Select the correct alternative
The angle between the incident ray and the ray reflected from the plane mirror is 70°. The angle of incidence will be :
The diagram in fig. shows an incident ray AO and the normal ON on a plane mirror. Draw the reflected ray. State the law you use to draw the direction of the reflected ray.
The image formed by a plane mirror is :
An object is kept at 60 cm in front of a plane mirror. If the mirror is now moved 25 cm away from the object, how does the image shift from its previous position?
How many images are formed for a point object kept in between two plane mirrors at right angles to each other? Show them by drawing a ray diagram.
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.
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?
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.
