If a body is whirled in a circle, then the work done on it ___.
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Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.
During the free fall of the object, the decrease in potential energy, at any point in its path, appears as an equal amount of increase in _________________.
An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
The tallest bridge in the world Millau Viaduct has been constructed over the river
Which Metro Rail Corporation will lay vibration-absorbing tracks for the first time in India?
‘Desert Knight-21’, is the Military exercise between India and
The instrument used to examine a person's digestive tract is called ___.