EASY
7th CBSE
IMPORTANT
Earn 100

Which type of mirror can form a real image?

Important Questions on Light

EASY
7th CBSE
IMPORTANT
What are lenses? Name the two kinds of lenses.
EASY
7th CBSE
IMPORTANT
State two differences between a convex and a concave lens.
MEDIUM
7th CBSE
IMPORTANT
You are provided with a (a) plane mirror (b) concave mirror and (c) convex mirror. How will you distinguish between them without touching?
EASY
7th CBSE
IMPORTANT
How will you prove that light consists of seven colours using Newton’s colour disc?
MEDIUM
7th CBSE
IMPORTANT
Distinguish between reflection and refraction.
EASY
7th CBSE
IMPORTANT
What is a virtual image? Give one situation where a virtual image is formed.
MEDIUM
7th CBSE
IMPORTANT
Rear-view mirrors of cars carry a warning message ‘objects in the rear-view mirror are closer than they appear’. Why?
MEDIUM
7th CBSE
IMPORTANT
An image of an object is observed in a plane mirror. The distance between the mirror and the image is 15 m. If the object is moved 3 m towards the mirror, then what is the distance between the image and object?