Question # 1

What does the term e-mail stand for?

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Emergency mail

Electronic mail

extra mail

external mail

The unit of electrical energy is:

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Joule

Watt

Volt

Electron volt(eV)

The parts of computer which can be seen and touched are called:

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Hardware

Software

Modem

CPU

The waves in which particle of the medium vibrate parallel to the direction of waves are called

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Longitudinal waves

Transverse waves

Electromagnetic waves

both b and c

The angle at which prism deviates the incident ray is called:

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Angle of incident

Angle of reflection

Angle of deviation

Angle of minimum deviation

Totally reflecting prism is used in:

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periscope

binoculars

periscope and binocular

telescope

An object is placed 6 cm away in front of a concave mirror that has 10 cm focal length. Determine the location of the image:

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-5 cm

-10 cm

-15 cm

-20 cm

The frequency of silent whistle is:

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20,000 Hz – 25000Hz

2000 Hz – 2500Hz

200 KHz – 2000 Hz

25000 KHz

To get a design on the computer screen by moving a pointer with the help of mouse is called:

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word processing

graphic designing

data managing

telecommunication

The electrostatic force acting on two charges each of 1C separated by 1m is about:

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9X10⁹ N

9X10^-9 N

9X10⁸ N

9X10^-8 N

The S.I unit of Spring constant is:

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Nm

N

Nm-1

Ns

When a heavy nucleus splits into, lighter nuclei, the process would .

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Release nuclear energy

Absorb nuclear energy

Release chemical energy

Absorb chemical energy

the range of galvanometer to measure current is:

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few amperes

few micro amperes

few milli amperes

mega amperes

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