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प्रश्न
Draw a diagram to show the reflection of a light ray incident normally on a plane mirror.
उत्तर
AO is the incident ray
OB is the reflected ray
ON is the normal
∠AON is the angle of incidence
∠NOB is the angle of reflection.
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संबंधित प्रश्न
Explain the following term :
Plane mirror
Draw diagram/diagrams to show them.
Write three characteristics of the image formed by a plane mirror?
Why is it difficult to read the image of the text of a page formed due to reflection by a plane mirror?
An optician while testing the eyes of a patient keeps a chart of letters 3 m behind the patient and asks him to see the letters on the image of chart formed in a plane mirror kept at distance 2 m in front of him. At what distance is the chart seen by the patient?
Prove geometrically that when plane mirror turns through a certain angle, the reflected ray turns through twice the angle.
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.
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:
If an incident ray passes through the centre of curvature of a spherical mirror, the reflected ray will:
