Home
Class 12
PHYSICS
A point object is kept at the first focu...

A point object is kept at the first focus of a convex lens. If the lens starts moving towards right with a constant velocity, the image will

A

always move towards right

B

always move towards left

C

first move towards right and then towards left

D

first move towards left and then towards right

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

A point object is kept at the first focus of convex lens ,if the lens starts moving towards right will a constant velocity,th image will

An object is kept in front of a concave lens.What is the nature of the image formed?

An object is moving towards a convex mirror with a constant velocity. P is the pole of mirror.

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

An object is kept at a distance of 4 cm form the first focus of a convex lens. A real image is formed at a distance of 9 cm from its second focus. What is the focal length of that lens is ___________(in cm)

A point object is placed at a distance of 15 cm from a convex lens. The image is formed on the other side at a distance of 30 cm from the lens. When a concave lens is placed in contact with the convex lens, the image shifts away further by 30 cm. Calculate the focal lengths of the two lenses.

An object is kept at rest on the principal axis of a lens. Initially the object is at a distance three times the focal length 'f' of the lens. The lens runs towards the object at a constant speed u, until the distance between the object and its real image becomes 4 f . If the iamge always forms on a moving screen then express the velocity of the screen as a function of time.

An object is put at a distance of 5cm from the first focus of a convex lens of focal length 10cm. If a real image is formed, its distance from the lens will be

A convex lens (of focal length 20 cm) and a concave mirror, having their principal axes along the same lines , are Kept 80cm is to from eath other . The concave mirror is to the right of the convex lens. When an object is Kept at a distance of 30 cm to the left of the convex lens,its image remains at the same position even if the concave mirror is removed . The maximum distance of the object for which the concave mirror , by itself would produce a virtual would be:

An object is placed at f//2 away from first focus of a convex lens where f is the focal length of the lens. Its image is formed at a distance 3f//2 in a slab of refractive index 3//2 , from the face of the slab facing the lens. Find the distance of this face of the slab from the second focus of the lens.