Question # 1

A,C electric supply at homes:

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240 volt

50 volt

220 volt

1000 volt

Which radiation have zero mass number

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Alpha radiation

Beta ratiation

Gamma radiation

None of these

The production of electricity from tides of water is called:

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Wind power

Thermal power

Tidal power

Nuclear power

analogue signal is recorded on.

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Magnetic tape

Floppy disk

Hard Disk

C.D

Which of the following is an neutral particle?

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Electron

Proton

Neutron

Alpha particle

Excessive growth in population is also one reason of enhancement in.

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Pollution

Radiations

Conduction

None of them

Production of electricity with help of high tides is called.

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Tidal power

Tharmal power

Wind power

Geothermal power

Which of the following is an input device:

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key board

printer

monitor

CPU

The elements used to increase the number of free electrons in the semi - conductor belong to:

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2^nd group

3^rd group

4^th group

5^th group

The light of laser is:

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monochromatic

dichromatic

trichromatic

Tetrachrmatic

Purose of electron gun in TV is to.

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Fire electron

Receive electron

Consume electron

Display picture

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

Energy resources consume dby industries is approximately.

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10%

20%

30%

50%

The process of manufacturing food in pants;

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Respiration

Digestion

Fermentation

Photosynthesis

Russia launched its first artificial satellite into space in:

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October 25,1950

October 4, 1957

October 10, 1969

February 25, 1963

In engineering department besides heavy machinery the role of ....... industry is examplary.

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Cottage

Steel

Electrical

Paper

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