Image Formation by Spherical Mirrors

IMPORTANT

Image Formation by Spherical Mirrors: Overview

This topic covers concepts, such as, Images by Convex Mirror for Different Positions of an Object, Image Formation by Concave Mirror,Images by Concave Mirror for Different Positions of an Object and Image Formation by Spherical Mirrors Using Ray Diagram etc.

Important Questions on Image Formation by Spherical Mirrors

MEDIUM
IMPORTANT

A thin road of length d/3 is placed along the principal axis of a concave mirror of focal length = d such that its image, which is real and elongated, just touches the rod. Find the length of the image?

EASY
IMPORTANT

An object is moving with 4 mm s-1 in front of a convex mirror (f=20 cm) as shown in figure. Find speed of image if the mirror is stationary

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MEDIUM
IMPORTANT

The light that reaches the telescopes comes from very far away celestial objects. Draw a ray diagram to show what happens when light from a far away object falls on a convex mirror and a concave mirror.

MEDIUM
IMPORTANT

A student determines the focal length of a device 'X' by focusing the image of a distant object on a screen placed 20 cm from the device on the same side as the object. The device 'X' is

MEDIUM
IMPORTANT

Name the mirror which can show the size of the object to be double of its original.

EASY
IMPORTANT

2.5 cm candle is placed 12 cm away from a convex mirror of focal length 30 cm. Give the location of the image and the magnification.

MEDIUM
IMPORTANT

What is the type of nature of image formed for an object placed an axis of concave mirror between pole and centre?

HARD
IMPORTANT

A student get a real image of an object of height of 12 cm, when kept at 40 cm  from a spherical mirror of focal length 15 cm. What is the type of mirror he/she used? What is the position, nature and size of the image formed?

HARD
IMPORTANT

A student get a virtual image of an object of height of 12 cm, when kept at 40 cm  from a spherical mirror of focal length 15 cm. What is the type of mirror he/she used? What is the position, nature and size of the image formed?

MEDIUM
IMPORTANT

Image of an object situated at a distance of 40 cm from a convex mirror is formed at a distance of 10 cm from the mirror. Find the focal length of convex mirror. 

HARD
IMPORTANT

In the given figures, locate the image formed by using an appropriate ray diagram of a point object O shown in the figure using laws of reflection.

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MEDIUM
IMPORTANT

Using mirror formula prove that an object kept at C forms its image at C in front of a concave mirror.

MEDIUM
IMPORTANT

Incident parallel rays make an angle of 5° with the axis of a concave mirror of focal length 20cm at pole of the mirror. The perpendicular distance of image from the axis is nearly.

MEDIUM
IMPORTANT

A concave mirror has a focal length of 20 cm. A rod of length 4 cm is placed along the principal axis of the mirror in such a way that the end closer to the mirror lies on its centre of curvature. The length of the image of the rod is 

EASY
IMPORTANT

How the real image is inverted in the spherical mirror?

EASY
IMPORTANT

If image of 'O'  is formed at 'O' itself find values of 'd'.

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MEDIUM
IMPORTANT

A cube of side 2 m is placed in front of a concave mirror focal length 1 m with its face P at a distance of 3 m and face Q at a distance of 5 m from the mirror. Then,

MEDIUM
IMPORTANT

An object of height 10mm is placed in front of a concave mirror and virtual image of height 20mm is obtained. If the object is placed at 20 cm from the concave mirror, the focal length of mirror is

EASY
IMPORTANT

Draw the ray diagram when of image formed the object is kept beyond C of the concave mirror. With the help of the diagram mention the position and nature of the image formed. (C : Centre of curvature of mirror).

EASY
IMPORTANT

Find the magnification produced by a convex mirror of focal length 20 cm, if the object is kept at a distance of 20 cm from the mirror.