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

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Question 1

Light Concept of Light What Makes Things Visible

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

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Question 2

Light Types of Reflection Regular Reflection

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

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Question 3

Light Laws of Reflection Incident Ray, Reflected Ray

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

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Question 4

Light Reflections Reflected Light Can be Reflected Again

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

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Question 5

Light Concept of Light Reflection

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

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Question 6

Light Laws of Reflection Incident Ray, Reflected Ray

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

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