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Physics

Physics
Coolis tube is used to produce

Radio waves
Micro waves
X-rays
Gama rays

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Physics
Which one of the waves have the longest wavelength

Violet
Red
Green
Blue

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Physics
Heat transfer by conduction occurs when molecules

None of these
Collide
Heated
Combine

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Physics
An object at rest may have

Potential energy
Momentum
Velocity
Kinetic energy

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Physics
Suitable impurities are added to a semiconductor depending on its use. This is done in order to

increase its electrical resistivity
increase its life
increase its electrical conductivity
enable it to withstand higher voltages

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Physics
Global warming is expected to result in

Change in coast line
Increase in level of sea
All of these
Change in crop pattern

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MORE MCQ ON Physics

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