A quantity which requires magnitude and direction to be s...
A quantity which requires magnitude and direction to be specified is
Temperature
Distance
Displacement
Mass
Correct answer is C
Displacement is a vector quantity
In which of the following device is the expansion of solid not required? I. Simple pendulum ...
When two like charges are brought together, the potential energy of the system formed will ...
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Which of the following electromagnetic waves has the shortest wavelength? ...
A radioactive source emits X–rays of very short wavelength (10 -13m ). what is the frequency&n...
When impurities are added to semi-conductors, the conductivity of the semi-conductor ...