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In telecommunications and signal processing, frequency modulation (FM) conveys information over a carrier wave by varying its instantaneous frequency. This contrasts with amplitude modulation, in which the amplitude of the carrier is varied while its frequency remains constant. In analogue television, the sound portion of a broadcast is invariably modulated separately from the video.
Which of the following physical quantities is scalar quantity ?
What is the work done by a force when the angle θ is 90 degrees?
Pulsars are :
S.I unit of Inductance is
Which physical property is considered dimensionless?
Which physical property causes raindrops to form spherical shapes?
Sound of frogs can be heard from a long distance in a rainy season because
Who among the following is credited with the discovery of X-rays?
What phenomenon occurs when the angle of incidence exceeds the critical angle?
What conditions must be met for stationary waves to form?
