Light [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 6 of 37

Access detailed explanations (illustrated with images and videos) to 469 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. 3 Year Validity- Access Unlimited Times on Unlimited Devices.

View Sample Explanation or View Features.

Rs. 300.00 -OR-

How to register? Already Subscribed?

Question 1

Question MCQ▾

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

Edit

Question 2

Question MCQ▾

Reflection of light from a smooth surface is called as:

Choices

Choice (4)Response

a.

Specular reflection

b.

Regular reflection

c.

Diffuse reflection

d.

Both a. and b. are correct

Edit

Question 3

Question MCQ▾

A ray which strikes the reflecting surface is called as:

Choices

Choice (4)Response

a.

Reflected ray

b.

Incident ray

c.

Normal

d.

Question does not provide sufficient data or is vague

Edit

Question 4

Question MCQ▾

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.

Question does not provide sufficient data or is vague

Edit

Question 5

Question MCQ▾

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

Choices

Choice (4)Response

a.

Reflection of light

b.

Incident ray

c.

Reflected ray

d.

None of the above

Edit

Question 6

Question MCQ▾

A reflected ray is:

Choices

Choice (4)Response

a.

Perpendicular line

b.

Ray strikes the reflecting surface

c.

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

d.

None of the above

Edit