Human Eye and Colourful World (NSO Level 1- Science Olympiad (SOF) Class 10): Questions 1 - 6 of 60

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Question number: 1

» Human Eye and Colourful World

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MCQ▾

Question

Twinkling of star because of

Choices

Choice (4) Response

a.

Atmospheric refraction

b.

Dispersion

c.

Reflective

d.

Question does not provide sufficient data or is vague

Question number: 2

» Human Eye and Colourful World

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MCQ▾

Question

The ability of the eye lens to adjust its focal length is known as

Choices

Choice (4) Response

a.

Accommodation

b.

Myopia

c.

Presbyopia

d.

Hypermetropia

Question number: 3

» Human Eye and Colourful World

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MCQ▾

Question

Rainbow is believed to be

Choices

Choice (4) Response

a.

Full circle

b.

Spherical

c.

Hot plasma

d.

All a. , b. and c. are correct

Question number: 4

» Human Eye and Colourful World

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Question

A long sighted person cannot see objects clearly at a distance less than from his eye. The power of the lens needed to read an object at is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Human Eye and Colourful World

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MCQ▾

Question

The tough outer coat that protects the entire eyeball, that known as

Choices

Choice (4) Response

a.

Choroid

b.

Sclera

c.

Cornea

d.

Retina

Question number: 6

» Human Eye and Colourful World

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MCQ▾

Question

Read the given statements and mark the correct option

Statement 1: The angle between incident ray and emergent ray is known as Angle of deviation (d)

Statement 2: The angle of incidence for which the angle of refraction is is known as critical angle

Choices

Choice (4) Response

a.

Only statement 1 is correct

b.

Statement 1 and 2 is correct

c.

Only statement 2 is correct

d.

Statement 1 and 2 is incorrect

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