Question # 1

The mass of Beta particle:

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0

4

2

1

America launched its first space station in to space.

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Apallo -1

Skylab -1

Both a and b

None

Diodes are used to.

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Convert A.C. into D.C

Convert D.C into A.C

Store Charge

Change voltage

The first man went into space in

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1965

1961

1971

1991

Which of the following is a brain of computer?

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Central processing unit

Mouse

Monitor

Hard disc

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

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Reflection

Refraction

Total internal reflection

Dispersion

In ........ henry Bequeral discovered.

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1895

1886

1896

1898

Resistance ' R" is equal to.

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I

V

V/I

I/V

Phosphorous.... and sulphur 35 are employed on living system to trace metabolic path.

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31

30

38

32

Emission of ratiations from nucleus is said to be

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Chemical reaction

Atomic reaction

Radioactivity

Nuclear fission

The largest source of light is.

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Sun

Moon

Stars

Plants

The device use to store electric current:

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Fuse

Switch

Resistor

Capacitor

PINSTECH consists of...................... research reactors.

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Two

Three

Four

Five

The county which launched its first artificial satellite into space:

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France

British

America

Russia

The practically unit of electricity is;

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kilowatt hour

watt

Joule

Ampere

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