Physics-Human Eye and World (NSTSE (National Science Talent Search Exam- Unified Council) Class 10): Questions 1 - 5 of 30

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Question number: 1

» Physics » Human Eye and World

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Question

Which of the following produced yellow colour of light?

Choices

Choice (4) Response

a.

Red and Green colour of light

b.

Green and Blue colour of light

c.

Red and Blue colour of light

d.

All of the above

Question number: 2

» Physics » Human Eye and World

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Question

Which of the following defect occurs when person cannot simultaneously focus on both horizontal and vertical lines?

Choices

Choice (4) Response

a.

Myopia

b.

Hypermetropia

c.

Astigmatism

d.

Presbyopia

Question number: 3

» Physics » Human Eye and World

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Question

A student can read the writing on the blackboard clearly and when sitting on the last bench in the classroom. But sees unclearly and blurred when sitting on the first bench in classroom. Which of the statements is correct about his defect?

Choices

Choice (4) Response

a.

The far point of his eyes has receded away

b.

The far point of his eyes has come closer to him

c.

The near point of his eyes has come closer to him

d.

The near point of his eyes has reached away

Question number: 4

» Physics » Human Eye and World

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Question

The far point of a myopic person is in form of the eye. What is power of lens require to correct the problem?

Choices

Choice (4) Response

a.

1.25

b.

c.

d.

0.8

Question number: 5

» Physics » Human Eye and World

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MCQ▾

Question

A man suffering from myopia cannot see the objects beyond 1.5 m distinctly, which type of lens used to restore proper vision?

Choices

Choice (4) Response

a.

+ 0.71 D

b.

– 0.66 D

c.

+ 0.66 D

d.

– 0.71 D

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