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Whenever there is a relative speed among a source of sound and the listener, the apparent frequency of sound listen by the listener is dissimilar from the real frequency of sound emitted by the source.
When the distance among the source and listener is reducing the apparent frequency enhances. It describes the apparent frequency is more than the real frequency of voice. The reverse is also true.
Spin-orbit effect An influence that causes atomic energy levels to be split since electrons have intrinsic angular momentum (spin) additionally to their extrinsic orbital angul
Q. Explain what is light? Light is certainly electromagnetic radiation but the expression electromagnetic radiation is by no means an explanation of what light is. Light is a w
Explain logarithmic decrement? Evaluate the ratio of nth amplitude with 1st amplitude in case of under damped oscillation.
What is the difference between diffraction and interference? Diffraction is the bending of waves around an obstacle, whereas interference is the meeting of two waves. For exam
50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane
A bicycle is supported so that it is stopped from falling sideways but can move forwards or backwards; its pedals are in their highest and lowest positions. A student crouches
A "balloon rocket" is a balloon suspended from a taut wire by a hollow tube (drinking straw) and string. The nozzle is formed of a 1-cm-diameter tube, and an air jet exits the nozz
The initial conditions for an air-standard Otto cycle operating with a compression ratio of 8:1 are 95 kPa and 17 o C. At the beginning of the compression stroke, the cylinder vol
RESISTIVITY: R esistance may be defined as that property of a substance which opposes (or restricts) the flow of current (or electrons) through it. The practical as well as MK
Why we are showing work done over a closed path is zero to prove that electrostatic forces are conservative
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