Time Left - 20:00 mins

Step Up Preview: Geometrical Optics Class 1

Attempt now to get your rank among 148 students!

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 :

148 attempts
1 upvote
2 comments

Tags :

Jan 7JEE & BITSAT