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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.
पर्याय
True
False
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उत्तर
False.
When a light ray is reflected from a wall, the angle of incidence is equal to the angle of reflection.
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संबंधित प्रश्न
Explain the following term :
Plane mirror
Draw diagram/diagrams to show them.
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?
(a) What do you understand by the term lateral inversion?
(b) A printed card has letters PHYSICS. By drawing the diagram show the appearance of the letters. (No ray diagram is required).
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at right angles to each other.
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:
Select the correct option:
In case of concave mirror, the minimum distance between an object and its real image is:
