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Physics

Physics
Which of the following has the highest entropy?

Hydrogen
Mercury
Diamond
Liquid nitrogen

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Physics
Dioptre is the unit of

Focal length of a lens
Sound intensity
Power of a lens
Light intensity

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Physics
What measures Air pressure?

Barometer
Barkometer
Bolometer
Spectrometer

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Physics
An electric fuse is based on

The magnetic effect of the current
All of these
The heating effect of the current
The chemical effect of the current

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Physics
Ventilators are provided near the ceiling of the room because

The exhaled warmer air rises up and goes out
These provide cross ventilation in the room
These do not look nice in the lower part
These provide some sunlight in the room

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Physics
Blotting paper absorbs ink due to

Diffusion of ink through the blotting
Capillary action phenomenon
Viscosity of ink
Siphon action

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