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Physics

Physics
Proton carry a

Variable Charge
Positive Charge
Neutral Charge
Negative Charge

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Physics
Man perceives sound vibrations in the frequency ranges of

6 – 10 Hz
20 – 20000 Hz
11 – 20 Hz
0 – 5 Hz

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Physics
The atmosphere is heated mainly by

Radiation
Insolation
Conduction
Convection

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Physics
Which of the following features of a tunnel diode is its drawback

Very low power consumptions
Extremely high frequency response
Instability due to negative resistance
Very wide temperature range of operations

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Physics
A fountain pen works on the principle of

Bernoulli's principle
Flow of liquids from higher to lower potential
Viscosity of liquids
Capillary action

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Physics
The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

20 cm
15 cm
10 cm
5 cm

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MORE MCQ ON Physics

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