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Physics

Physics
The density of water is 1 g/cc. This is strictly valid at

25°C
0°C
100°C
4°C

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Physics
Which best describes how air moves during convection?

Cool air falls down
Air always falls down
Warm air falls down
Cool air is replaced by warm air

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Physics
Which of the following is not a part of a CRT ?

Shadow mask
Electron gun
Phosphor screen
Gas plasma

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Physics
Temperature of distant luminous bodies can be determined by

Colour thermometers
Gas thermometers
Pyrometers
Mercury thermometers

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Physics
The wave like properties of electrons are useful in

Weather reports
Magnifying objects
All of these
Lasers

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Physics
In a freezer ice cubes will be formed more quickly in trays made of

Wood
Aluminium
Plastic
Rubber

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MORE MCQ ON Physics

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