Light (CBSE Class-8 Science): Questions 1 - 7 of 37

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 469 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 1

» Light » Concept of Light » What Makes Things Visible

MCQ▾

Question

What makes thing visible:

Choices

Choice (4) Response

a.

Only when light reflected by an object enters our eyes

b.

Eyes

c.

In presence of light

d.

In the dark

Question number: 2

» Light » Types of Reflection » Regular Reflection

MCQ▾

Question

Reflection of light from a smooth surface is called as:

Choices

Choice (4) Response

a.

Diffuse reflection

b.

Regular reflection

c.

Specular reflection

d.

Both b. and c. are correct

Question number: 3

» Light » Laws of Reflection » Incident Ray, Reflected Ray

MCQ▾

Question

A ray which strikes the reflecting surface is called as:

Choices

Choice (4) Response

a.

Incident ray

b.

Reflected ray

c.

Normal

d.

All of the above

Question number: 4

» Light » Reflections » Reflected Light Can Be Reflected Again

MCQ▾

Question

Periscope is defined as:

Choices

Choice (4) Response

a.

Right-left reversal of image by a plane mirror

b.

An instrument used to see above obstacles

c.

An arrangement in which beautiful patterns are formed

d.

All of the above

Question number: 5

» Light » Concept of Light » Reflection

MCQ▾

Question

The bouncing back of the light after striking a polished surface is called as:

Choices

Choice (4) Response

a.

Reflected ray

b.

Reflection of light

c.

Incident ray

d.

Question does not provide sufficient data or is vague

Question number: 6

» Light » Laws of Reflection » Incident Ray, Reflected Ray

MCQ▾

Question

A reflected ray is:

Choices

Choice (4) Response

a.

A light ray which bounces back into same medium after reflection from reflected surface.

b.

Ray strikes the reflecting surface

c.

Perpendicular line

d.

All of the above

Question number: 7

» Light » Laws of Reflection » Concept of Law of Reflection

MCQ▾

Question

Laws of reflection are:

Choices

Choice (4) Response

a.

The incident ray, the reflected ray and the normal at the point of incidence all lie in the same plane

b.

The angle of incidence (i) is equal to the angle of reflection (r)

c.

Both a. and b. are correct

d.

None of the above

Sign In