NCERT Based General Studies (GS): Questions 2536 - 2542 of 3450

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Question number: 2536

» Science » Class-8 NCERT » Chemical Effects of Electric Current (Do Liquids Conducts Electricity?)

MCQ▾

Question

LED is defined as:

Choices

Choice (4) Response
a.

Light emitting diode

b.

Electrode

c.

Lead

d.

Insulator

Question number: 2537

» Science » Class-8 NCERT » Sound (Sound Produced by Humans)

MCQ▾

Question

Larynx is called as:

Choices

Choice (4) Response
a.

Sound producing organ in human

b.

Body’s voice box

c. Both a. and b. are correct
d. Question does not provide sufficient data or is vague

Question number: 2538

» Science » Class-8 NCERT » Friction (Force of Friction)

MCQ▾

Question

Force of friction is defined as:

Choices

Choice (4) Response
a.

Friction which comes into play when a body slides over another body

b.

The area of two surfaces in contact

c.

Substances which reduce friction

d.

Opposing force which comes into play whenever there is relative motion between two bodies.

Question number: 2539

» Science » Class-8 NCERT » Friction (Friction- a Necessary Evil)

MCQ▾

Question

Friction is a:

Choices

Choice (4) Response
a.

Non-conservative force

b.

Conservative force

c.

Force

d. Question does not provide sufficient data or is vague

Question number: 2540

» Science » Class-8 NCERT » Friction (Increasing and Reducing Friction)

MCQ▾

Question

Fluid friction is also called as:

Choices

Choice (4) Response
a.

Viscous drag

b.

Drag

c. Both a. and b. are correct
d. Question does not provide sufficient data or is vague

Question number: 2541

» Science » Class-8 NCERT » Sound (Sound Needs a Medium for Propagation)

MCQ▾

Question

Why one cannot listen the sounds on moon?

Choices

Choice (4) Response
a.

There are ultrasonic waves

b.

Maximum vibration of an object

c.

There are infrasonic waves

d.

There is no medium on moon

Question number: 2542

» Science » Class-8 NCERT » Some Natural Phenomena (Earthquakes)

MCQ▾

Question

Seismic waves of earthquake can be detected with a sensitive instrument called as:

Choices

Choice (4) Response
a.

Seismograph

b.

Richter scale

c.

Electroscope

d. All of the above

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