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Physics

Physics
Pa(Pascal) is the unit for

Pressure
Conductivity
Thrust
Frequency

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Physics
An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct?

Cannot be determined
Ve > Vp
Ve = Vp
Ve < Vp

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Physics
Blowing Air with open pipe is an example of :

Isobaric process
Adiabatic process
Isothermal process
Isochroric process

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Physics
The colour of the ocean appears to be blue because the sunlight falling on it is

Scattered
Reflected
Diffracted
Refracted

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Physics
Solids which conduct electricity at higher temperature but not at lower temperature are called

Semi-conductor
Super-conductor
Metallic-conductor
Insulator

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Physics
A thin oil film on a water surface appears coloured because of

Interference
Polarization
Reflection
Diffraction

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