Light-Visually Challenged Human [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 3 of 3

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Question 1

Question MCQ▾

Non-optical aids include:

Choices

Choice (4)Response

a.

Auditory aids

AND

Electronic aids

b.

Visual aids

c.

Touch or tactual aids

d.

All a., b. and c. are correct

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Question 2

Question MCQ▾

One of the best known and widely used aids by the visually challenged is the:

Choices

Choice (4)Response

a.

Braille System

b.

Incident ray

c.

Regular Reflection

d.

None of the above

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Question 3

Question MCQ▾

Optical aids include:

Choices

Choice (4)Response

a.

Contact lenses

b.

Bifocal lenses

c.

Tinted lenses

d.

All a., b. and c. are correct

Edit