Question # 1

the resistance of an ammeter should be:

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high

very high

low

constant

Safe limit of radiations exposure in one year.

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4 rem

5 rem

3 rem

6 rem

The Half life of a certain isotopes is 1 day. What is the quantity of isotopes after 2 days?

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One half

One quarter

One eight

None of these

Which particles are nucleons?

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Electrons and protons

Protons and neutrons

Electrons and neutrons

Electrons and positrons

Which instrument is used to detect current:

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Galvanometer

Voltmeter

Ammeter

Electroscope

The half of carbon 14 is

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5720 years

5730 years

5740 years

5750 years

Which among the following radiation has more penetrating power?

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A beta pareticle

A gamma particle

An alpha particle

None of these

When a heavy nucleus splits into lighter nuclei,the process would.

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Release nuclear energy

absorb nuclear energy

Release Chemical energy

Absorb Chemical Energy

diamond des not conduct electricity, because it has no:

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free electrons

free protons

free neutrons

free positive charge

the power of washing machine is:

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700 W

750 W

650 W

800 W

battery is one of the source of:

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heat

light

current

sound

The galvanometer has been named after the scientist:

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Lewis

Lowry bronsted

Luigi Galvano

Galvano Einstein

By keeping resistance constant if we double the voltage then current will be:

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Double

4 times

¼ times

Half

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Physics 10th Class English Medium Unit 9 Online Test MCQs With Answers

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