Question # 1

Pakistan made atomic explosion on:

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May 28,1996

May 28,1998

May 28, 1999

may 28, 2000

SUPARCO came into being.

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In 1956

in 1961

in 1973

In 1990

The examples of semi - conductors:

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sodium and potassium

calcium and potassium

Germanium and silicon

carbon and nitrogen

Which of the following is an input device:

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key board

printer

monitor

CPU

Total production capacity of Karachi nuclear power plant:

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137 megawatt

173 megawatt

100 megawatt

110 megawatt

The Phenomenon of emission of radiations from radioactive elements is called:

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Doping

Allotropy

Radioactivity

Induction

The SI unit of resistence.

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Ampere

Volt

Hertz

Ohm

Purose of electron gun in TV is to.

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Fire electron

Receive electron

Consume electron

Display picture

The principal of light on whihc the fibre optics works is.

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Reflection

Refraction

Total internal reflection

Dispersion

In October 4, 1957...........launched first artifcial setellites.

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America

India

Russia

Pakistan

the test that measures the electrical activity of the heart:

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E.C.G (Electrocardiogram)

E.E.G (Electroencephalography)

M.R.I (Magnetic resonance imaging)

Angiography

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

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Current

Potential difference

all of the above

Resistance

Who was the inventor of radio system.

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Grahm bell

F. Crick

Charles babbage

Marconi

Which radiation have zero mass number

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Alpha radiation

Beta ratiation

Gamma radiation

None of these

A device that decreases or increases the A.C voltage:

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Transformer

Ammeter

Voltmeter

Fuse

In Pure -semi conductors no free electrons are available to conduct electric current at.

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Ordinary temperature

Low temperature

High temperature

None of these

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