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Plaster of Paris is chemically known as calcium sulfate hemihydrate. It is used in construction, art, and medical applications due to its ability to harden quickly when mixed with water.
What is the speed of sound in air at room temperature (approx)?
The unit of electric power is —
A sound with a single frequency is called a:
The speed of a fast moving electron, having total energy of 2 MeV, is nearly:
A particle of mass m is placed in a potential V(x) = ax² + bx⁴. For small oscillations around equilibrium, its time period is:
The force of attraction between two masses is called —
Clear nights are colder than cloudy nights because of –
Which physical quantity remains constant during uniform circular motion?
