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Physics

Physics
The unit of energy in MKS system is

Erg
Ohm
Volt
Joule

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Physics
A needle or a pin floats on the surface of water because of

Surface tension
Viscosity
Surface energy
Adhesive force

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Physics
The average kinetic energy of the molecules of an ideal gas is directly proportional to

Mass of Molecules
Temperature of environment
Absolute temperature of the gas
Velocity of Molecules

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Physics
What measures Air pressure?

Spectrometer
Barometer
Barkometer
Bolometer

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Physics
Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2

1.4 km/s
14 m/s
0.14 m/s
140 m/s

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Physics
One should not connect a number of electrical appliances to the same power socket because

the appliance will not get full voltage
this can damage the domestic wiring due to overloading
this can damage the appliances due to overloading
this can damage the electrical meter

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