EASY
7th CBSE
IMPORTANT
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Concave mirrors are used in the headlights of a car.

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Important Questions on Light

MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 15 - Light>Exercise>Q F
The image formed by a convex lens is real, inverted and magnified when an object is kept between the lens and the focus.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 15 - Light>Exercise>Q F
The process of sending back the light rays which fall on the surface of an object is called refraction of light.
MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 15 - Light>Exercise>Q G
Give one example of a virtual image.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 15 - Light>Exercise>Q G
Define the principal focus of a spherical lens.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 15 - Light>Exercise>Q G
Define spectrum.
MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 15 - Light>Exercise>Q G
Which surface of a spoon always forms an erect image of your face?
MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 15 - Light>Exercise>Q G
Which type of lens is used in making telescopes-converging or diverging?
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 15 - Light>Exercise>Q G
Name the first scientist who proved that white light is made of seven colours.