Science-Class-8 NCERT (NCERT Based General Studies (GS)): Questions 413 - 418 of 468

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Question number: 413

» Science » Class-8 NCERT » Light (Human Eye)

MCQ▾

Question

Insufficient light causes

Choices

Choice (4) Response

a.

Eye dis order

b.

Headache

c.

Eyestrain

d.

All of the above

Question number: 414

» Science » Class-8 NCERT » Light (Visually Challenged Human)

MCQ▾

Question

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

Question number: 415

» Science » Class-8 NCERT » Light (Sunlight)

MCQ▾

Question

Dispersion is defined as:

Choices

Choice (4) Response

a.

Splitting of light into its constituent colours

b.

Right left reversal of image by a plane mirror

c.

No of reflections taking place together

d.

None of the above

Question number: 416

» Science » Class-8 NCERT » Light (Laws of Reflection)

MCQ▾

Question

Laws of reflection are:

Choices

Choice (4) Response

a.

The incident ray, the reflected ray and the normal at the point of incidence all lie in the same plane

b.

The angle of incidence (i) is equal to the angle of reflection (r)

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 417

» Science » Class-8 NCERT » Light (Laws of Reflection)

MCQ▾

Question

Angle of reflection is defined as:

Choices

Choice (4) Response

a.

The angle which reflected ray makes with the normal

b.

The angle which the incident ray makes with the normal

c.

Angle between the incident ray and reflected ray

d.

None of the above

Question number: 418

» Science » Class-8 NCERT » Light (Human Eye)

MCQ▾

Question

The essential parts of the eye are:

Choices

Choice (4) Response

a.

Eye lens, Retina, Rods and cones

b.

Blind spot

c.

Cornea, Iris, Retina, Rods and cones

d.

Question does not provide sufficient data or is vague

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