Home
Class 12
PHYSICS
An object is placed at a distance of f/2...

An object is placed at a distance of f/2 from a convex lens of focal length f. The image will be

A

at one of the focl, virtual and double of its size

B

greater than 1.5 times but less than 2 times

C

at 2f, virtual and erect

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

An object is placed 20 cm from a convex lens of focal length 10 cm. The image must be-

An object is placed at the distance of 30 cm from a concave mirror of focal length 15 cm. The image will be-

An object is placed at a distance of 20 cm from a concave mirror of focal lenght 10 cm. What is the image distance?

An object is placed at a distance of 40 cm from a concave mirror of focal length 15 cm. If the object is displaced through a distance of 20 cm towards the mirror, the displacement of the image will be

If an object is placed at a distance of 40 cm from a concave mirror of focal length 20 cm , them the image wil be

If an object is placed at a distance of 5 cm from a convex lens, a real image of the object is formed at a distance of 20 cm from the lens . If the lens is used as a magnifying glass what maximum magnification can be obtained from it ? Least distance of distinct vision is 24 cm .

The focal length of a concave mirror is f. A point object is placed at a distance of xf on the right side of the focus. The image will be formed on the right side of the focus at a distance of

An object is placed at a distance of 20 cm in front of a concave mirror of focal length 10 cm. Determine the position of the image. What is the ratio of the size of the image to the size of the object ?

An object is placed 30 cm away from a convex lens of focal length 10 cm and a sharp image is formed on a screen. Now a concave lens is placed in contact with the convex lens. The screen now has to be moved by 45 cm to get a sharp image again. The magnitude of focal length of the concare lens is (in cm)