MEDIUM
Earn 100

Name two examples of uses of convex mirror.

Important Questions on Light Energy

MEDIUM
Draw the diagram of image formation by a concave mirror when the object is placed between centre of curvature and focus of the concave. Also state the position, size and nature of the image formed.
MEDIUM
Give any four characteristics when the object is at the centre of curvature of a concave mirror.
Question Image
EASY

Which effect is responsible for blue colour of smoke?

EASY
The image of the English letter Question Image in convex mirror looks like
 
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. 
EASY
To obtain a diminished image of an object from a concave mirror, position of the object should be

(F = principal focus, C = centre of curvature, P = pole)

MEDIUM

Focal length of one convex mirror is 3 m and object distance is 5 m, then find the image distance.

EASY
An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Find the position and nature of the image formed.
EASY

If a mirror forms erect image for objects placed between pole and focus, and it forms real-inverted image for object placed anywhere between focus and infinity, then the mirror is:

HARD
Draw the ray diagram of image formation by a convex mirror when the object is placed at its centre of curvature.
EASY
A concave mirror produces three times an enlarged image of an object placed at 10 cm in front of it. Calculate the radius of curvature of the mirror.
EASY
A concave mirror forms an enlarged, erect, virtual image of an object, only when the object is placed
EASY
Draw a neat ray diagram of an image formed by a concave mirror when the object in placed between focus and centre of curvature.
MEDIUM
An object 4.0cm in size, is placed at 25cm in front of a concave mirror of focal length 15 cm. At what distance from the mirror should a screen be placed in order to obtain a sharp image?  Find the nature and the size of the image.
MEDIUM
Draw a ray diagram and describe the image formation by a convex mirror when an object is placed at (i) infinity (ii) a finite distance.
MEDIUM
An object is situated at the centre of curvature (C) of a Concave Mirror. Make a ray diagram of the position, size and nature of the image of that object.
EASY
Draw a neat ray diagram of an image formed by a concave mirror when the object in placed between focus and centre of curvature.
EASY
Which type of mirror is used by a dentist?
EASY
When an object is kept within the focus of a concave mirror, an enlarged image is formed behind the mirror. This image is:
HARD
Write uses of concave and convex mirror.