Science (NCERT Based General Studies (GS)): Questions 330 - 337 of 1207

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Question number: 330

» Science » Class-8 NCERT » Sound (Sound)

MCQ▾

Question

Some crude musical instruments make soothing musical sound when struck with the help of a stick such as:

Choices

Choice (4) Response
a.

Ghattam

b.

Munjira

c.

Kartal

d. All a. , b. and c. are correct

Question number: 331

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

MCQ▾

Question

In ancient time, According to Indian thunderbolts are used as weapons by:

Choices

Choice (4) Response
a.

God of rain and thunder

b.

Lord Indra

c. Both a. and b. are correct
d. None of the above

Question number: 332

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

MCQ▾

Question

Gases and liquids are called:

Choices

Choice (4) Response
a.

Fluids

b.

Viscous drag

c.

Drag

d. All of the above

Question number: 333

» Science » Class-8 NCERT » Some Natural Phenomena (The Story of Lightning)

MCQ▾

Question

What we don’t do during thunderstorm

Choices

Choice (4) Response
a.

Not to touch any metal

b.

Don’t lie flat on the ground

c.

Carrying an umbrella during thunderstorm is not safe

d. All a. , b. and c. are correct

Question number: 334

» Science » Class-8 NCERT » Sound (Sound)

MCQ▾

Question

Sound is produced when:

Choices

Choice (4) Response
a.

The number of vibrations per second as perceived by a listener

b.

Intensity of sound

c.

To and fro motion of an object

d.

Any object that vibrates mechanically produces sound

Question number: 335

» Science » Class-8 NCERT » Sound (Sound)

MCQ▾

Question

Audible range of frequency is:

Choices

Choice (4) Response
a.

Below 20 Hz

b.

Above 20, 000Hz

c.

20 Hz to 20, 000Hz

d.

Above 20 KHz

Question number: 336

» Science » Class-8 NCERT » Some Natural Phenomena (The Story of Lightning)

MCQ▾

Question

Accumulation of charge leads to:

Choices

Choice (4) Response
a.

Earthing

b.

Discharging

c.

Charging

d.

Lightning

Question number: 337

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

MCQ▾

Question

Substances which allow the current to pass through them are:

Choices

Choice (4) Response
a.

Semi-Conductors

b.

Conductors

c.

Insulators

d. None of the above

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