Home
Class 12
PHYSICS
A linear object is placed along the axis...

A linear object is placed along the axis of a mirror as shown in figure. If 'f' is the focal length of the mirror then the length of image is-

A

`((2f))/(3)`

B

f

C

`(f)/(3)`

D

none

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A linear object AB is placed along the axis of a concave mirror. This object is moving towards the mirror with speed U. The speed of the image of the point A is 4U and the speed of the image of B is alSO 4U btu in opposite direction. If the center of the line AB is at a distance L from the mirror then find out the length of the object.

An object is placed at a distance f in the front of a convex mirror. If focal length of the mirror is f, then distance of image from pole of the mirror is

A convex mirror of focal length 10cm is shown in Figure . A linear object AB=5cm is placed along the optical axis. Point B is at distance 25cm from the pole of mirror. Calculate the size of the image of AB.

An object is placed at a distance u from a concave mirror and its real image is received on a screen placed at a distance of v from the mirror. If f is the focal length of the mirror, then the graph between 1/v versus 1/u is

Object AB is placed on the axis of a concave mirror of focal length 10cm. End A of the object is at 30cm from the mirror. Find the length of the image a. if length of object is 5cm. b. if length of object is 1 mm.

An object is placed in front of a concave mirror at a distance of 7.5 cm from it. If the real image is formed at a distance of 30 cm from the mirror, find the focal length of the mirror. What would be the focal length if the image is virtual.

An object of length 2.5 cm is placed at a distance of 1.5 f from a concave mirror where f is the magnitude of the focal length of the mirror. The length of the object is perpendicular to the principal axis. Find the length of the image. Is the image erect to inverted?

An object is placed in front of a concave mirror of focal length f as shown in figure. Choose the correct shape of the image.

A short linear object of length b lies along the axis of a concave mirror or focal length f at a distance u from the pole of the mirror. The size of the image is approximately equal to

The distance of an object from a concave spherical mirror is equal to the focal length of the mirror. Then the image.