EASY
7th CBSE
IMPORTANT
Earn 100

Name the kind of mirror which always forms virtual, erect and the same size image, as the object. (Plane/Concave/Convex)

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Important Questions on Light

EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>Oral Questions>Q 5
What kind of mirror is used in automobile headlights - concave or convex?
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>Oral Questions>Q 1
What term is used to describe the phenomenon due to which rays of light, while travelling from one optical medium to another optical medium deviate from their path?
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>Oral Questions>Q 2
What name is given to a piece of glass having one or two spherical surfaces?
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>Oral Questions>Q 3
Name the lens in which parallel rays of light on passing through it, meet at a point. (Write convex or concave)
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>Oral Questions>Q 4
Name a lens which always forms virtual and diminished image.
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>Oral Questions>Q 5
Sun rays on passing through moist air, after the rains, form a rainbow. What is the name of the phenomenon responsible for it? (Choose from: Dispersion/ Scattering/ Reflection)
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q I
The property of light travelling in a straight line is called _____.
EASY
7th CBSE
IMPORTANT
Learning Elementary Science for Class 7>Chapter 15 - Light>EXERCISES>Q I

The ray of light may be returned by the second optical medium into the first optical medium with a change in angle. This phenomenon is known as: