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प्रश्न
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
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उत्तर
(a) Concave mirror
(b) Concave mirror
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal focus
Does the mirror mentioned in part (b) form real image for all locations of the object?
Name the kind of mirror used to obtain:
A real and diminished image.
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason.
The boxes in figure (a, b, c) represent mirrors; insert a mirror which will reflect the incident ray as shown in the diagram.
Define the term Principle focus.
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Concave mirror
If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
