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Physics

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

0°C
100°C
4°C
25°C

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Physics
At low temperature, Lead behaves as a :

Conductor
Semi conductor
Superconductor
Insulator

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Physics
The velocity of sound in moist air is more than in dry air because the moist air has

More density than dry air.
More pressure than dry air.
Less density than dry air.
Less pressure than dry air.

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Physics
Electrons carry a

Variable Charge
Positive Charge
Negative Charge
Neutral Charge

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Physics
Erg cross Sec is the unit of

Linear Momentum
Angular momentum
Energy
Planck's constant

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Physics
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

LUV > lIR > lVIS
LUV < lIR < lVIS
LUV > lVIS > lIR
LUV < lVIS < lIR

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