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प्रश्न
Select the correct option:
If an incident ray passes through the centre of curvature of a spherical mirror, the reflected ray will:
विकल्प
pass through its pole
retraces its path
pass through its focus
be parallel to principal axis
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उत्तर
retraces its path
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संबंधित प्रश्न
Fill in the blank
A ________ image cannot be obtained on a screen.
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.
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.
Prove geometrically that when plane mirror turns through a certain angle, the reflected ray turns through twice the angle.
What should be the minimum size of a plane mirror, so that a person 182 cm high can see himself completely?
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)?
