NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1307 - 1310 of 1484

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Question 1307

Question

MCQ▾

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 1308

Question

MCQ▾

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 1309

Question

MCQ▾

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

Question 1310

Question

MCQ▾

Why does the human being have two eyes instead of one?

I. Field view is more with two eyes than one eye

II. Two eyes give us three dimensional vision of an object

III. Fainter objects can be detected with two eyes

IV. It gives a wider horizontal field of view of about

Which of the following is/are correct?

Choices

Choice (4)Response

a.

I, II, III and IV only

b.

I, II and III only

c.

I, II and IV only

d.

II, III and IV only

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