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IMPORTANT
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A person of height h is standing in front of a plane mirror.

(a) What is the minimum size of the mirror so that complete image of the person is formed?

(b) What is the minimum size of the mirror so that the person can see his complete image ?

(c) Where should the top edge of the mirror be placed relative to the eyes and the head of the person, so that the person sees his complete image.

Important Questions on Ray Optics and Optical Instruments

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JEE Main/Advance
IMPORTANT
A convex mirror having focal length f forms an image 1n th of the size of the object. The distance of the object from the mirror is
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JEE Main/Advance
IMPORTANT
A concave mirror has radius of curvature 2 m. The light from a distance source is incident on the mirror. The distance of image of the source from the mirror is
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JEE Main/Advance
IMPORTANT
What can be the minimum distance between an object and its real image formed by a concave mirror of focal length 10 cm ?
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JEE Main/Advance
IMPORTANT
An object is placed at distance 10 cm from the focus of a concave mirror and image is at distance 10 cm from focus. The focal length of mirror is
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JEE Main/Advance
IMPORTANT
Which of the following graph is best representation of variation of magnification m with distance of object u for a concave mirror of focal length 10 cm if image is virtual?
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JEE Main/Advance
IMPORTANT

In the shown figure r is equal to

Question Image

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JEE Main/Advance
IMPORTANT
A ray of light strikes a glass plate at an angle 60°. If reflected and refracted rays are perpendicular to each other, then refractive index of the glass will be