Question # 1

In computer terminology information means.

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any data

raw data

processed data

large data

The instrument used to study the properties of waves is called:

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Ripple tank

Stroboscope

Pendulum

None of these

Electric motor converts electrical energy into:

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Chemical energy

Solar energy

Heat energy

Mechanical energy

Coaxial cable are used to transmit signals:

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Magnet

Electric

Mechanical

Both mechanical and magnet

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

According to Ohm's law V =________

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I²R

IR²

IR

I/R

The S.I unit of intensity of sound is:

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Wm

Wm2

Wm-2

Wm-1

The frequency of silent whistle is:

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20,000 Hz - 25000 Hz

2000 Hz - 25000 Hz

200 Hz - 2000 Hz

25000 Hz

The temperature at the centre of sun is.

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10 million k

20 million k

30 million k

35 million k

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 half life of argon nuclide Ar-40 is:

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2 x 10⁸years

2 .2x 10⁸years

2.4x 10⁸years

2.8x 10⁸years

The turn ratios of a transformer is 10. It means.

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I_s = 10I_p

N_s = N_p

N_s = 10 N_p

V_s =V_p /10

Which memory consists of integrated circuits?

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Primary memory

Audio cassette

Video cassette

Compact cassette

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