Human Eye and Colourful World [NSO Level 1- Science Olympiad (SOF) Class 10]: Questions 7 - 10 of 60

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Question 7

Question MCQ▾

Read the given statements and mark the correct option

Statement 1: The band of seven colors formed when a beam of white light is passes through a glass prism is called dispersion of light.

Statement 2: The splitting of white light into seven colors on passing through a transparent medium is called spectrum of white light.

Choices

Choice (4)Response

a.

Only statement 2 is correct

b.

Only statement 1 is correct

c.

Statement 1 and 2 are incorrect

d.

Statement 1 and 2 are correct

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Passage

Direction: Observe the following diagram and answer the question below

The Astigmatism

Question 8 (1 of 4 Based on Passage)

Question MCQ▾

Astigmatism usually causes vision to be

Choices

Choice (4)Response

a.

Cannot see nearby objects clearly and distinctively

b.

Not able to see nearby objects comfortably and clearly

c.

Blurred or distorted to some degree at all distances

d.

All of the above

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Question 9 (2 of 4 Based on Passage)

Question MCQ▾

Symptoms of uncorrected astigmatism are

Choices

Choice (4)Response

a.

Eyestrain

b.

Headaches

c.

Especially after reading

d.

All a., b. and c. are correct

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Question 10 (3 of 4 Based on Passage)

Question MCQ▾

Astigmatism usually is caused by

Choices

Choice (4)Response

a.

Reduction in the curvature of the lens

b.

Decrease in the length of the eyeball

c.

Irregularly shaped cornea

d.

Question does not provide sufficient data or is vague

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