Light (CBSE Class-8 Science): Questions 8 - 13 of 37

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Question number: 8

» Light » Laws of Reflection » Angle of Incidence and Angle of Reflection

MCQ▾

Question

Angle of reflection is defined as:

Choices

Choice (4) Response

a.

The angle which the incident ray makes with the normal

b.

Angle between the incident ray and reflected ray

c.

The angle which reflected ray makes with the normal

d.

Question does not provide sufficient data or is vague

Question number: 9

» Light » Types of Reflection » Diffused Reflection

MCQ▾

Question

Diffuse reflection is defined as:

Choices

Choice (4) Response

a.

Reflection from any smooth surface

b.

Irregular reflection

c.

Reflection from any rough surface

d.

Both b. and c. are correct

Question number: 10

» Light » Reflections » Multiple Images

MCQ▾

Question

A Number of reflections taking place together are called as:

Choices

Choice (4) Response

a.

Multiple reflections

b.

Lateral inversion

c.

Dispersion

d.

Question does not provide sufficient data or is vague

Question number: 11

» Light » Laws of Reflection » Angle of Incidence and Angle of Reflection

MCQ▾

Question

The angle between the normal and incident ray is called as:

Choices

Choice (4) Response

a.

Angle of incidence

b.

Perpendicular

c.

Angle of reflection

d.

Question does not provide sufficient data or is vague

Question number: 12

» Light » Human Eye » Care of Eyes

MCQ▾

Question

Staring a computer screen for a long time can:

Choices

Choice (4) Response

a.

Use suitable spectacles

b.

Strain your eyes

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 13

» Light » Concept of Light » What Makes Things Visible

MCQ▾

Question

What makes thing visible:

Choices

Choice (4) Response

a.

In presence of light

b.

In the dark

c.

Only when light reflected by an object enters our eyes

d.

Eyes

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