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

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Question 1

Question MCQ▾

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

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Question 2

Question MCQ▾

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

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Question 3

Question MCQ▾

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

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Question 4

Question MCQ▾

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.

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Question 5

Question MCQ▾

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

Choices

Choice (4)Response

a.

Choroid

b.

Sclera

c.

Cornea

d.

Retina

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Question 6

Question MCQ▾

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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