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Physics

Physics
An atom with more neutrons than protons is called

None of these
Isotope
Element
Compound

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Physics
The following particles move with same kinetic energy. Which of them has maximum momentum ?

Electron
Proton
Deutron
Alpha Particle

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Physics
Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

K1k2/k1+k2
None
K1+k2/k1k2
2k1k2/k1+k2

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

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Physics
Electrostatic precipitator is used to control the pollution of

Thermal
Water
Noise
Air

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Physics
In ________ motion of a body its velocity varies with time.

Linear
Non-uniform
Uniform
Equilibrium

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