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Herons formula is described as √s(s - a)(s - b)(s - c) where s is half the perimeter, or (a + b + c)/2.
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:
Ultrasonic pulse echo technique, a non-destructive ultrasonic testing, is employed for any possible flaw detection in a metallic bar of thickness 30 cm...
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?
