The unit of measurement of noise is –
Small bubbles are perfectly spherical because of –
The pitch of a sound is determined by its:
A body of mass 3 kg is acted upon by two perpendicular forces 9 N and 12 N. Find the resultant of two forces and the acceleration of the body.
Tungsten is used for the manufacture of the filament of an electric bulb, because –
In order to investigate the internal atomic structure of crystals, we make use of:
Which law describes the relationship between the force applied to a spring and its extension or compression?
When a cannonball is fired, its motion is an example of ______.
An electric motor converts _____ energy to mechanical energy.
A charged particle oscillates about its mean equilibrium position with a frequency of 105 Hz. What is the frequency of the electromagnetic wa...
