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Can you explain Doppler effect? Find a mathematical expression for the apparent frequency heard when the source is in motion and the listener is at rest and also give limitation of Doppler effect?
Q. Illustrate why is there more friction when you push an object than when you pull it? Answer:- Friction doesn't differ depending upon whether an object is pushed or pull
Analogue multimeter: Even the most basic analogue multimeter can prove to be invaluable when in the hands of an experienced user. Simple measurements of voltage, current and r
An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows do
what is chock coil
A bicycle has tires of radius 0.35 meters. If the bicycle is traveling at a constant speed of 7.8 m/s, approximately what angular speed are the tires rotating? a) 85 rev/min b) 197
Consider a circular loop in a magnetic field. The loop is made of elastic material with spring constant k. It carries a current I and has radius R when unstretched. We immerse it i
iif radius shrinks by 20% then what will be the effect on gravitational acceleration
(i) It is the length of single wave. (ii) Wavelength is similar to the distance covered by the wave during the time in which any one particle of the medium done one vibration ab
what is meant by small signal amplifiers
A tunning fork produces 4 beats per second with another tunning fork of frequency 256 Hz. The first one is now loaded with a little wax and the beat frequency is found to enhance t
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