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Doppler Effect
Describing the classical Doppler Effect for sound waves. The Doppler Effect is a means through that wave properties (specifically frequencies) are influenced through the movement of a source or listener. If you've ever been waiting at a railroad crossing and listened to the train whistle, you've in all probability noticed that the pitch of the whistle changes as it moves associatively to your position. Same, the pitch of a siren change as it approaches and then passes you on the road.
Q. A capacitor blocks d.c. but allows a.c. Why? Capacitive reactance XC = 1/ω C = 1 / 2πν C Where ν is the frequency of the a.c. supply. In a d.c. circuit
The number of independent directions in which a system (or gas molecule) can have motion, are called as the number of degrees of freedom of that molecule or object. The number of d
Containers in Illustrations C and D are identical Each container is 3.25'w x 3.25'w x 8.4'l Total capacity of each container 88.725 cubic feet Each container is filled wi
projet on ..electromagnetic induction
a small block of weight 10 Ib is placed on an inclined plane which makes an angle of 30 degree with the horizon. resolve the gravitational force.
A lever of the first class Saw off a stick or board so that it is the similar height as a heavy desk or table in the classroom. Place another stick about the similar length on
There are five types of modulus of elasticity (i) YOUNG'S MODULUS OF ELASTICITY (Y (ii) BULK MODULUS OF ELASTICITY (K) (iii) COMPRESSIBILITY (iv) MODULUS OF RIGIDITY
CENTRE OF GRAVITY: Consider a body as an accumulation of many small masses (molecules), all subject to gravitational attraction. The total weight, which is a force , is
It is the opposition offered by the material of the flux. Reluctance α mean length of flux path and reluctance α 1/cross section A Reluctance=1/μ 0 μ r A Here μ 0 a
(UNIFORM VELOCITY) (i) When instantaneous velocity and average velocity of a body are equivalent, then the body moves with uniform velocity. (ii When instantaneous velocity
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