An object placed 20 cm in front of a con...

An object placed 20 cm in front of a convex mirror is found to have an image 15cm behind the mirror. Find the focal length of the mirror.

Topper's Solved these Questions

REFLECTION OF LIGHT
CHETANA PUBLICATION|Exercise EXERCISE|19 Videos
OBSERVING SPACE- TELESCOPES
CHETANA PUBLICATION|Exercise EXERCISE|26 Videos
Study of Sound
CHETANA PUBLICATION|Exercise EXERCISE|26 Videos

Similar Questions

Explore conceptually related problems

The real image of an object placed at 60 cm from a concave Mirror is formed at 20 cm. from the mirror. Find the focal length of the mirror.

Solve the numerical problem When an object is kept at 6 cm in front of a concave mirror, its image is obtained at 24 cm behind the mirror. Find the focal length and radius of curvature of the mirror.

When an object is placed at 75 cm in front of a concave mirror, the magnification produced by the mirror is ( - 0.5). Find the focal length of the mirror.

When an object is placed at 0.5 m from a concave mirror, its real image is formed at 0.75 m from the mirror. Find the focal length of the mirror and the magnification produced by the mirror.

When an object is placed at 6 cm in front of a concave mirror, its virtual image is formed at 15 cm from the mirror. Find the focal length and radius of curvature of the mirror.

A real object is placed at a distance f from the pole of a convex mirror, infront of the convex mirror. If focal length of the mirror is f, then distance of the image from the pole of the mirror is

Answer the following questions: When an object is kept at 50 cm in front of a concave mirror, Its real image is obtained at the same distance from the mirror. What is the focal length of the mirror?

An object is kept at 20 cm in front of a convex lens its real image is formed at 60 cm from the lens. Find (i) the focal length of the lens (ii) the height of the image if the height of the object is 6 cm.

Solve the following examples/ numerical problems: An object is kept at 60 cm in front of a convex lens. Its real image is formed at 20 cm from the lens . Find the focal length of the lens.

Solve the numerical problem An object is placed at 6 cm in front of a concave mirror of focal length 10 cm. Find the position and nature of the image. What is the magnification produced by the mirror?

CHETANA PUBLICATION-REFLECTION OF LIGHT-EXERCISE

An object placed 20 cm in front of a convex mirror is found to have an...
Text Solution
|
If the reflected rays do not actually meet, such an image is called as...
Text Solution
|
In order to see the full image of a person standing in front of a mirr...
Text Solution
|
A rear view mirror of a car is ……….. .
Text Solution
|
A ray of light parallel to principal axis after reflection from concav...
Text Solution
|
State True or False. Correct the false statement: If the mirrors are...
Text Solution
|
State True or False. Correct the false statement: A convex mirror is ...
Text Solution
|
Match the columns:
Text Solution
|
The image made by a plane mirror is virtual.
Text Solution
|
A dentist uses a concave mirror while examining teeth.
Text Solution
|
Concave mirrors are used in torches and in car headlights.
Text Solution
|
Distinguish between Convex mirror and Concave mirror.
Text Solution
|
Why is concave mirror used in solar devices?
Text Solution
|
Describe the positions of the source of light with respect to a concav...
Text Solution
|
An object of height 7 cm is kept at a distance of 25 cm in front of a ...
Text Solution
|
A 10 cm long stick in kept horizontally in front of the concave mirror...
Text Solution
|
An object 10 cm in height is placed at a distance of 36 cm from a conc...
Text Solution
|
An image is formed 5 cm behind a convex mirror of focal length 10 cm. ...
Text Solution
|
Explain the sign conventions for reflection by spherical mirrors
Text Solution
|
In order to see the full image of a person standing in front of a mirr...
Text Solution
|