Science (NCERT Based General Studies (GS)): Questions 445 - 451 of 1317

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Question number: 445

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

MCQ▾

Question

Sunlight is a composition of:

Choices

Choice (4) Response

a.

Seven colour

b.

Only white light

c.

Five colour

d.

All of the above

Question number: 446

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

MCQ▾

Question

Size of the Pupil varies with the help of:

Choices

Choice (4) Response

a.

Retina

b.

Cornea

c.

Ciliary muscles

d.

Iris

Question number: 447

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

MCQ▾

Question

Reflection of light from a smooth surface is called as:

Choices

Choice (4) Response

a.

Regular reflection

b.

Specular reflection

c.

Diffuse reflection

d.

Both a. and b. are correct

Question number: 448

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

MCQ▾

Question

Diffuse reflection is defined as:

Choices

Choice (4) Response

a.

Reflection from any smooth surface

b.

Reflection from any rough surface

c.

Irregular reflection

d.

Both b. and c. are correct

Question number: 449

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

MCQ▾

Question

You can cure for your eye by putting on protective eyewear whenever

Choices

Choice (4) Response

a.

You play sports

b.

When you are doing projects in the science labs

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 450

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

MCQ▾

Question

A reflected ray is:

Choices

Choice (4) Response

a.

Ray strikes the reflecting surface

b.

A light ray which bounces back into same medium after reflection from reflected surface.

c.

Perpendicular line

d.

All of the above

Question number: 451

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

MCQ▾

Question

Accommodation is the ability of the eye

Choices

Choice (4) Response

a.

To change focal length of the eye lens so as to always obtain the image at the retina

b.

To see distant objects and cannot see near objects

c.

Can see near objects and cannot see distant objects

d.

All of the above

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