MEDIUM
JEE Advanced
IMPORTANT
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The focal length of a concave mirror is 50 cm. Where an object be placed, so that its image is two times and inverted?

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Important Questions on Geometric Optics

MEDIUM
JEE Advanced
IMPORTANT
An object of size 7.5 cm is placed in front of a convex mirror of radius of curvature 25 cm at a distance of 40 cm.The size of the image should be
MEDIUM
JEE Advanced
IMPORTANT
The image formed by a convex mirror of the focal length 30 cm is a quarter of the size of the object. The distance of the object from the mirror is
EASY
JEE Advanced
IMPORTANT
An object is placed 40 cm from a concave mirror of focal length 20 cm. The image formed is
MEDIUM
JEE Advanced
IMPORTANT
A concave mirror gives an image three times as large as the object placed at a distance of 20 cm from it. For the image to be real, the focal length should be
EASY
JEE Advanced
IMPORTANT
A concave mirror of focal length f (in air) is immersed in water μ=43. The focal length of the mirror in water will be
MEDIUM
JEE Advanced
IMPORTANT
A point object is placed at a distance of 30 cm from a convex mirror of focal length 30 cm. The image will form at
EASY
JEE Advanced
IMPORTANT
Convergence of concave mirror can be decreased by dipping in
MEDIUM
JEE Advanced
IMPORTANT
A point object is placed at a distance of 10 cm and its real image is formed at a distance of 20 cm from a concave mirror. If the object is moved by 0.1 cm towards the mirror, the image will shift by about