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प्रश्न
Select the correct option:
Which mirror is used in periscope?
पर्याय
concave mirror
convex mirror
Plane mirror
parabolic mirror
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उत्तर
Plane mirror
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal axis
An image formed by a ______ mirror is always of the same size as that of the object.
Define Radius of curvature of the spherical mirror
What is a spherical mirror?
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Define the following term in relation to concave mirror.
Aperture
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
Define focal length.
