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Microwaves and Radio waves:
Microwaves are produced by high frequency electromagnetic oscillators in electric circuits. Microwaves are electromagnetic waves with wavelengths in the range 10 m m to 10 m.
Radio waves are produced by accelerated electrons in suitable electronic circuits. Radio waves have wavelengths from 1m to 100km.
As defined in physics, work is: a) A scalar quantity b) Always a positive quantity c) A vector quantity d) Always zero Ans: As defined in physics, work
Evaluate the volume of the bubble A diver releases an air bubble of volume 2.7cm 3 from a depth of 17 below the surface of a lake, where the temperature is 8.0°C. What is the v
How many times the kinetic energy reach at minimum and maximum point during one oscillation?
newtons third law of motion
A student sits on a stool holding a 5.0-kg dumbbell in both hands. He extends his arms such that each dumbbell is 0.60 m from the axis of rotation. The student's moment of
Faraday's law The line integral of the electric field about a closed curve is proportional to the instant time rate of change of the magnetic flux by a surface limited by tha
Electrical measuring instruments: Quantities of electrical current, voltage and resistance are measured using instruments called meters. Until the advent of electronic displays
Briefly explain the equations describing under-damped, over damped and critically damped one-dimensional harmonic oscillator?
write a short note on terrestrial telescope
Q. Double convex lenses are to be manufactured from a glass of refractive index1.55, With both faces of the same radius of curvature. What is the radius of curvature? Required if
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