Question # 1

The light of laser is:

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monochromatic

dichromatic

trichromatic

Tetrachrmatic

By burning fossil fuels we get.

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Solar power

Tidal power

Nuclear power

Thermal power

The Si unit of power is;

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Joule

Ohm

Watt

Ampere

The process of manufacturing food in pants;

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Respiration

Digestion

Fermentation

Photosynthesis

One Btu is equal to.

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1100 joules

1055 Joules

1050 Joules

1040 Joules

SUPARCO headquarter is in;

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Islamabad

Lahore

Karachi

Multan

How many electrons Guns are used in colour T.V?

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One

Two

Three

Four

Which type of rays are used in the solar system fitted on ships and submarines to find the hidden secrets under water:

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x - rays

C.T Scan

Ultrasound

Light

Purose of electron gun in TV is to.

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Fire electron

Receive electron

Consume electron

Display picture

The energy of moving charges is called:

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Light energy

Heat energy

Chemical energy

Electrical energy

The working principle of transformer:

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Electromagnetic conduction

Electrostatic induction

Electric charge

Neutralization

The part of atmosphere where all living bodies reside is:

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8 to 20 kilometers

8 to 40 kilometers

8 to 30 kilometers

2 to 10 kilometers

The Country which launched space station Mir into space:

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France

British

America

Russia

The numebr (100)16 in decimal is equal to............. in binary.

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1110100

01011101

1100100

1001001

Skylab enters back into atmosphere.

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In 1979

In 1990

In 2000

In 2003

The device use to store electric current:

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Fuse

Switch

Resistor

Capacitor

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