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प्रश्न
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उत्तर
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संबंधित प्रश्न
An image that cannot be obtained on a screen is called ______.
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
Name the kind of mirror used to obtain:
A virtual and diminished image
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
What is the difference between virtual images of an object formed by a concave mirror and a convex mirror?
The image formed in a plane mirror is always inverted.
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
