Physics
If lift is going up with acceleration, the apparent weight of a body is

Less than the true weight
May be more or less than true weight
More than the true weight
Equal to the true weight

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Physics
Isotopes of an element contain

the same number of protons but different number of neutrons
the same number of neutrons but different number of protons
equal number of nucleons
equal number of protons and electrons

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Physics
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

at a place in a valley below sea level
at sea level
at the top of Mt. Everest
in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level

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Physics
When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is

Below a certain minimum value depending on amount of water in the pail
Above a certain minimum value depending on amount of water in the pail
Below a certain minimum value irrespective of amount of water in the pail
Above a certain minimum value irrespective of amount of water in the pail

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