Question # 1

What happen to the atomic number of an element which emits one alpha particle and a beta particles.

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Increases by 1

Stay the same

Decrease by 2

Decrease by 1

What does the term e-mail stand for?

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Emergency mail

Electronic mail

extra mail

external mail

In simple harmonic motion, the acceleration of the body is…………. Proportional to the displacement.

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Inversely

Directly

Equally

Ration

In simple pendulum motion, restoring force is provided by:

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Air resistance

Tension in the string

Inertia

Weight of the body

The speed of sound was accurately measured in:

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1736

1737

1738

1739

A parallel circuit is also used as a divider for:

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Power

Resistance

Current

Voltage

Intensity level of the sound produced by mosquito buzzing is:

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70 dB

40 dB

10 dB

120 dB

An example of input device of computer is.

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Key board

Printer

Monitor

RAM

The coil of a transformer which is connected to A.C is called:

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Primary coil

Secondary coil

Field coil

Armature coil

Electric potential and e.m.f.

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are the same terms

are the different terms

have different units

both b and c

Analogue quantity is:

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Time

Pressure

Distance

All of these

Public address system is the example of :

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Analogue electronics

Digital electonics

Binary system

None of these

The base of computer operation are:

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1,2

0, 1

0, 2

1, 10

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