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प्रश्न
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:
पर्याय
pass through its principal focus
pass through its centre of curvature
pass through its pole
retraces its path
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उत्तर
pass through its principal focus
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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 :
Write three characteristics of the image formed by a plane mirror?
The image formed by a plane mirror is :
A man standing in front of a plane mirror finds his image at a distance 6 metre from himself. What is the distance of man from the mirror?
An insect is sitting in front of a plane mirror at a distance 1 m from it.
(b) What is the distance between the insect and its image?
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?
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.
Two plane mirrors are placed making an angle 60° in between them. For an object placed in between the mirrors, the number of images formed will be :
(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).
Parallel rays are incident:
- on regular surface and
- on irregular surface. In what respect do reflected rays in (1) differ from those of (2)?
