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A plane mirror may be considered as a sp...

A plane mirror may be considered as a spherical mirrorof infinite focal length. (True/false)

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In these question, a statement of assertion followed by a statement of reason is given .Choose the correct answer out of the following choices: Assertion and reason both are correct statements and reason is correct explanation for assertion. Assertion and reason both are correct statements but reason is not correct explanation for assertion. Assertion is correct statement but reason is wrong statement. Assertion is wrong statement but reason is correct statement. Assertion: the mirror formula can be applied to a plane mirror. Reason: A lane mirror is a spherical mirror of infinite focal length

The mirror formula holds for a spherical mirror of large aperture only. (True/false)

Define the focal length of mirror

The radius of curvature of a spherical mirror is 20cm.What is its focal length?

Define focus, focal length and aperture of a spherical mirror.

What is the nature of the mirror having focal length - 15 cm?

A concave mirror of focal length 20 cm and a convex mirror of focal length 15 cm are placed 50 cm apart,such that the two mirrors face each other .An object is placed exactly midway betwen them.Find teh nature and position of the image formed by reflection first at the concave mirror and then at the convex mirror.