EASY
7th CBSE
IMPORTANT
Earn 100

What type of mirror is used in the projector?

Important Questions on Light

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 15 - Light>Exercise 15.2>Q III

What type of mirror is used in a telescope?

MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 15 - Light>Exercise 15.2>Q III
We are given three mirrors - a plane mirror, a convex mirror, and a concave one. How can we identify each by looking at the image of our face in them from a close position?
 
HARD
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 15 - Light>Exercise 15.2>Q IV
With the help of an activity, study the nature, size and position of image formed by a concave mirror when the object is placed at a distant position.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 15 - Light>Exercise 15.3>Q I
Name the lens which is thicker in the middle and thinner at the edges.
(Choose from the following: Convex lens/concave lens)
MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 15 - Light>Exercise 15.3>Q I
Lens which is thinner in the middle and thicker at the edge is _____.
(Choose from the following: concave lens/ convex lens)
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 15 - Light>Exercise 15.3>Q I

The centre of the lens is _____.

(Choose from the following: centre of curvature/optical centre)

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 15 - Light>Exercise 15.3>Q I

Which lens is used as a magnifying glass?

(Choose from the following- Concave lens/ Convex lens)

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 15 - Light>Exercise 15.3>Q I
The band of seven colours seen in the sky during rain is called as _____.