Question # 1

The frequency of the carrier waver used of radio transmission:

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30 KHZ

40 KHZ

50 KHZ

60 KHZ

Which of the following is a natural fiber:

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Teflon

Cotton

Acrylic

Nylon

Multi - meter is an instrument which can be used to measure:

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Current

Potential difference

all of the above

Resistance

The Country which launched space station Mir into space:

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France

British

America

Russia

The instrument that measures current is called.

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Voltmeter

Circuit breaker

Ammeter

Switch

Cause of air pollution is.

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Carbon Monoxide

Sulphur di oxide

Nitrogen oxide

All of them

The energy produced by the breakdown of chemical bond between atoms:

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Light energy

chemical energy

electrical energy

kinetic energy

Who was the inventor of radio system.

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Grahm bell

F. Crick

Charles babbage

Marconi

One Btu is equal to.

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1100 joules

1055 Joules

1050 Joules

1040 Joules

One kilowatt-hour is the amount of energy that is consumed by a ........ applicance in one hour.

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1000 watt

100 watt

10000 watt

500 watt

Which of the following are electromagnetic waves:

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sound

water waves

Ultrasound

light

The SI uinit of Capacitance.

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Farad

Micro Farad

Ohm

Volt

Sunlight is directly transformed to electricity with the help of:

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Solar cells

Diod

Rectifier

Transistor

One thouseand watt power is called.

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One mega watt

One giga watt

One hector watt

One kilowatt

---------------- lasers are presently used for operating cataract and glaucoma.

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Argon

Neon

Helium

Hydrogen

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