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Physics

Physics
The electric current in a metal wire is due to the flow of -

Protons
Ions
Holes
Electrons

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Physics
Golden view of sea shell is due to

Reflection
Diffraction
Dispersion
Polarization

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Physics
Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?

Pressure and Young's modules
Impulse and moment of force
Planck's constant and Angular momentum
Force and rate of change of linear momentum

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Physics
Which one of the following is the value of one nanometer?

10-3 cm
10-4 cm
10-7 cm
10-6 cm

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Physics
Vehicle tyres are inflated properly

To allow the vehicle to take more load.
To ensure smooth running.
To avoid skidding and to minimise friction
To go fast and save fuel.

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Physics
The washing machine works on the principle of

Dialysis
Reverse osmosis
Centrifugation
Diffusion

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MORE MCQ ON Physics

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