Question # 1

Optical fibre are:

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Cheap

Flexible

Lighter

All of these

Big unit of capacitance is:

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Farad

Volt

watt

coulomb

The unit of resistance is:

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Ω-m

Ω

V

C

The symbol of alpha particles is:

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4AHe

42He

0-1B

00Y

The half of carbon 14 is

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5720 years

5730 years

5740 years

5750 years

With broadband information can be loaded:

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In 1 min

In 1 sec

In 1 day

In 2 days

A parallel circuit is also used as a divider for:

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Power

Resistance

Current

Voltage

The direction of electric field lines due to positive charge is:

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A way from the charge

Towards the charge

Both a and b

None of these

Which type of image is produced by the converging lens of human eye if it views a distant object:

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Real, erect, same size

Real, inverted, diminished

Virtual, erect, diminished

Virtual, inverted, magnified

The speed of waves can be calculated by:

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Vt

d x t

f λ

Tf

Optical fibres works on the principle of:

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Reflection

Refraction

Total internal reflection

Diffraction

The unit of electric power is:

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Volt

Watt

Joule

Coulomb

Which instrument is used to detect current:

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Galvanometer

Voltmeter

Ammeter

Electroscope

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