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Physics

Physics
Water has maximum density at

100°C
0°C
273°C
4°C

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Physics
Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly

Absorb heat from the atmosphere send it towards earth
Reflect back the heat given by earth
Produce heat and radiate it toward earth
Prevent cold waves from the sky descending on earth

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Physics
Decibel is a term connected with :

Water
Air
Sound
Soil

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Physics
If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is

Surface area of the bottom of the vessel
Height of the liquid column
Acceleration due to gravity at the bottom of the vessel
Density of the liquid

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Physics
Nuclear Fission is caused by the impact of

Deutron
Neutron
Electron
Proton

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Physics
The type of mirrors used in the headlamp of cars is

Spherical convex
Parabolic concave
Plane
Cylindrical concave

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MORE MCQ ON Physics

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