MEDIUM
7th CBSE
IMPORTANT
Earn 100

Which of these mirrors converges a parallel beam of light - plane, concave or convex?

62.5% studentsanswered this correctly

Important Questions on Light

EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q B
A real image formed by a mirror is always inverted.
EASY
7th CBSE
IMPORTANT
Living Science 7>Chapter 16 - Light>EXERCISES>Q B

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)

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?