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Computer MCQS

Sciences MCQS

1.
In monochromatic red light a blue book will probably appear to be_________________?

black

purple

green

no scientific reasoning available

Answer Discus (0)

2.
An alternating current or voltage_____________________?

fluctuates off and on

varies in magnitude alone

changes its direction again and again

changes its magnitude harmonically and reverses its direction of flow after regularly recurring intervals

Answer Discus (0)

3.
________________ cells converts solar energy into electrical energy?

rotory

photovoltaic

galvanic

non of these

Answer Discus (0)

4.
Silence zone takes place due to____________________?

constructive interference

destructive interference

beats

resonance

Answer Discus (0)

5.
Specific resistance of a wire____________________?

will depend on its length

will depend on its radius

will depend on the type of material of the wire

will depend on none of the above

Answer Discus (0)

6.
A body can have constant velocity when it follows a_____________?

Elliptical path

Circular path

Parabolic path

Rectilinear path

Answer Discus (0)

7.
In hydrogen spectrum which one of the following series lies in the ultraviolet region ?

Balmer series

Pfund series

Bracket series

Lymann series

Answer Discus (0)

9.
A photon of wavelength 900nm behaves like a particle of mass______________?

5.53 x 10-36kg

0 kg.

2.46 x 10-36kg

1.84 x 10-44kg

Answer Discus (0)

10.
The path of alpha particle is_______________?

Rectilinear

Curved

Zig-zag or erratic

Elliptical

Answer Discus (0)

13.
Holes can exist in____________________?

Conductors

Insulators

Semi conductors

All of the above

Answer Discus (0)

14.
Electrical energy is measured in___________________?

watt

horse power

kilo watt

kilowatt hour

Answer Discus (0)

Engineering MCQS

General Subjects MCQS

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