The period of a wave is 0.02 seconds. Calculate its wavelength if its speed is 330 ms\(^{-1}\)
An alternating voltage with a frequency of 50 Hz has a period of
A listener can detect the instrument from which a note is being sounded because different instruments produce the same note with different
What is the escape velocity of a body on the surface of the Earth of radius R if the gravitational constant is G and the mass of the Earth is M? (Neglect energy losses to the surroundings)
A charge of 1.6 × 10\(^{-10}\) C is placed in a uniform electric field of intensity 2.0 × 10\(^5\) NC\(^{-1}\). What is the magnitude of the electric force exerted on the charge?
