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Question 1
If two mirrors are kept at 60° to each other, then the number of images formed by them is:
Question 2
To get three images of a single object, one should have two plane mirrors at an angle of
Question 3
A point source of light is placed in front of a plane mirror -
Question 4
A particle is moving towards a fixed spherical mirror. The image.
Question 5
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
Question 6
When a clock is viewed in a mirror, the needles exhibit a time which appears to be 8.20. Then the actual time will be -
Question 7
A small plane mirror placed at the centre of a spherical screen of radius R. A beam of light is falling on the mirror. If the mirror makes n revolution. per second, the speed of light on the screen after reflection from the mirror will be
Question 8
If an object moves towards a plane mirror with a speed v at an angle to the perpendicular to the plane of the mirror, find the relative velocity between the object and the image
Question 9
An object is placed at 20 cm in front of a concave mirror produces three times magnified real image. What is focal length of the concave mirror?
Question 10
A convex mirror of focal length f produces an image (1/n)th of the size of the object. The distance of the object from the mirror is :
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Jan 7JEE & BITSAT