EASY
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Focal length of diverging mirror is 5 m. An object is kept at a distance of 30 cm from the mirror. Find the image distance and it's nature.

Important Questions on Light – Reflection and Refraction

MEDIUM

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For the diagram shown, according to the new Cartesian sign convention the magnification of the image formed will have the following specifications.

MEDIUM

The radius of curvature of a converging mirror is 30 cm. At what distance from the mirror should an object be placed so as to obtain a virtual image?

MEDIUM

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Which of the following statements is not true in reference to the diagram shown above?

EASY
A student holding a mirror in his hand, directed the reflecting surface of the mirror towards the Sun. He then directed the reflected light on to a sheet of paper held close to the mirror.

What should he do to burn the paper?

EASY

A student holding a mirror in his hand, directed the reflecting surface of the mirror towards the Sun. He then directed the reflected light on to a sheet of paper held close to the mirror.

Which type of mirror does he have?

MEDIUM

In which of the following is a concave mirror is used?

HARD

An object of height 4 cm is kept at a distance of 30 cm from the pole of a diverging mirror. If the focal length of the mirror is 10 cm, the height of the image formed is ____.

EASY
If the image formed by a spherical mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it ? Draw a labelled ray diagram to support your answer. 
MEDIUM

A student holding a mirror in his hand, directed the reflecting surface of the mirror towards the Sun. He then directed the reflected light on to a sheet of paper held close to the mirror.

Will he be able to determine the approximate value of focal length of this mirror from this activity ? Give reason and draw ray diagram to justify your answer in this case.

EASY
When an object is kept within the focus of a concave mirror, an enlarged image is formed behind the mirror. This image is:
EASY

Draw a ray diagram to show the

(i) position

(ii) nature of image formed

when an object is placed between F and C of a concave mirror.

EASY
Which kind of mirror is used in the headlight of a motor car and why?
MEDIUM

Consider the following diagram in which M is a mirror and P is an object and Q is its magnified image formed by the mirror. State the type of mirror M and the one characteristic property of the image Q.

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MEDIUM
An object is placed at a distance of 30 cm in front of a convex mirror of focal length 15 cm. Write four characteristics of the image formed.
MEDIUM
A concave mirror of focal length 'f' can form a magnified erect as well as inverted image of an object with respect to the mirror in each case. Draw the ray diagrams for the same.
MEDIUM

A ray of light is incident on a convex mirror as shown below. Redraw the diagram after completing the path of the light ray after reflection from the mirror.

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MEDIUM
If the image formed by a mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? Draw a ray diagram to justify your answer. Where and why do we generally use this type of mirror?
MEDIUM
An object 5.0 cm high is placed at 25.0 cm in front of a concave mirror of focal length 15.0 cm. Find the distance from the mirror, at which a screen should be placed in order to obtain a sharp image. Also find the size and nature of the image formed.
EASY
Focal length of a convex mirror is 25 cm. What is its radius of curvature?
EASY

Copy of the figure in your answer book and show the direction of light after reflection.

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