Question # 1

with the increase in temperature the resistance of pure metals:

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increases

decreases

remains same

none of these

The example of shock absorber of the vehicles are:

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Simple harmonic motion

Vibratory motion

Damped motion

Linear motion

In computer terminology, proceed data is called:

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Software

Program

Information

Digital data

The base of computer operation are:

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1,2

0, 1

0, 2

1, 10

The symbol of AND operation is:

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+

-

.

*

The unit of intensity of sound:

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Wm^-1

Wm^-2

Wm

Wm²

The device which converts digital quantities into analog quantities is called:

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ADC

DAC

ACD

CAD

When frequency of sound wave is increased, which of the following decreases:WavelengthPeriodAmplitude

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(i) Only

(iii) Only

(i) And (ii) only

(i) And (iii) only

The waves, which are used to detect the broken bones are called:

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Light waves

x-rays

sound waves

both b and c

What is fitted in telephone receiver:

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Electromagnet

Diaphragm

Both a and b

None

Which radiations are free of effect of electric and magnetic field?

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Alpha

Beta

Gamma

Alpha and beta

The rate of flow of charge through any cross-sectional area is called:

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potential difference

Energy

Coulomb

Electric current

In totally reflecting prism one angle is of:

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45°

90°

180°

120°

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