Science-Class-8 NCERT (NCERT Based General Studies (GS)): Questions 427 - 432 of 468

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Question number: 427

» 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: 428

» 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

Question number: 429

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

MCQ▾

Question

Periscope is defined as:

Choices

Choice (4) Response

a.

An instrument used to see above obstacles

b.

An arrangement in which beautiful patterns are formed

c.

Right-left reversal of image by a plane mirror

d.

All of the above

Question number: 430

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

MCQ▾

Question

The angle between the normal and incident ray is called as:

Choices

Choice (4) Response

a.

Angle of incidence

b.

Angle of reflection

c.

Perpendicular

d.

All of the above

Question number: 431

» Science » Class-8 NCERT » Light (Concept of Light)

MCQ▾

Question

The bouncing back of the light after striking a polished surface is called as.

Choices

Choice (4) Response

a.

Incident ray

b.

Reflected ray

c.

Reflection of light

d.

Question does not provide sufficient data or is vague

Question number: 432

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

MCQ▾

Question

Phenomenon of multiple images is used for the formation of:

Choices

Choice (4) Response

a.

Periscope

b.

Multiple images

c.

Kaleidoscope

d.

None of the above

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