EASY
7th CBSE
IMPORTANT
Earn 100

What kind of spherical mirror would you use if you want to see the magnified image of your face in the mirror?

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

50% studentsanswered this correctly

Important Questions on Light

HARD
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q B

Which of these has a smaller focal length - thick lens or thin lens?

(Write thick lens or thin lens in the given box.)

HARD
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q B
If the distance of an object from a convex lens is equal to twice the focal length of the lens, where is the image formed- beyond F or at 2F?
HARD
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q B
A diverging lens forms a real image of an object placed beyond F, and a virtual image of an object placed between O and F.
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q B
Name the triangular piece of glass that splits white light into different colours.
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q C
What do you mean by 'angle of incidence' of a ray of light on a plane mirror?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q C
What is the relationship between angle of incidence and angle of reflection in a plane mirror?
EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q C
What is a real image?
MEDIUM
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q C
What do you mean by lateral inversion?