EASY
9th Maharashtra Board
IMPORTANT
Earn 100

Why does obtaining the image of the sun on a paper with the help of a concave mirror burn the paper?

Important Questions on Reflection of Light

EASY
9th Maharashtra Board
IMPORTANT

If a spherical mirror breaks, what type of mirrors are the individual pieces?

MEDIUM
9th Maharashtra Board
IMPORTANT

What sign conventions are used for reflection from a spherical mirror?

HARD
9th Maharashtra Board
IMPORTANT

Draw ray diagrams for the cases of images obtained in concave mirrors as described in the table given below.

Si No Position of the object Position of the image
1 Between pole and focus Behind the mirror
2 At the focus At infinity
3 Between focus and centre of curvature Beyond the centre of curvature
4 At the centre of curvature At the centre of curvature
5 Beyond the centre of curvature Between the centre of curvature and focus
6 At a very large(infinite) distance At focus
MEDIUM
9th Maharashtra Board
IMPORTANT

Which type of mirrors are used in the following?

Periscope, floodlights, shaving mirror, kaleidoscope, street lights. headlamps of a car.

MEDIUM
9th Maharashtra Board
IMPORTANT
An object of height 7 cm is kept at a distance of 25 cm in front of a concave mirror. The focal length the mirror is 15 cm. At what distance from the mirror should a screen be kept so as to get a clear image? What will be the size and nature of the image? 
MEDIUM
9th Maharashtra Board
IMPORTANT

A convex mirror has a focal length of 18 cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?

HARD
9th Maharashtra Board
IMPORTANT

A 10 cm long stick is kept in front of a concave mirror, having a focal length of 10 cm in such a way that the end of the stick closest to the pole is at a distance of 20 cm. What will be the length of the image?

EASY
9th Maharashtra Board
IMPORTANT

Three mirrors are created from a single sphere. Which of the following - pole, the centre of curvature, the radius of curvature, principal axis - will be common to them and which will not be common?

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