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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.
Calorimetry is the act of calculating the heat of chemical reactions or physical changes, or the science of making such measurements. Calorimetry is performed with a calorimeter. T
Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/
The size of nucleus is measured in: (1)amu (2)Angstrom (3)Fermi (4)cm Ans: (3)Fermi
A certain radioactive substance has a half-life of 40 minutes. How much of an original 100 grams substance will remain after 2 hours? solution) m= m0/2t/T m=100 gms.. t=2 hours
In computing the electric field at some point P in the x-y plane of a Cartesian coordinate system due to a linear charge distribution in the x-y plane each contribution to the elec
#question 1:successive disintegration in nucluer physics
Q. Illustrate the Newton s laws of motion? Answer:- 1. A body at rest will stay at rest and one in motion will remain in motion until and unless acted upon by an external
Define the formula of Wien law. WIEN'S LAW: λ m T = constant Here: λ m = Peak Wavelength (m) T = Surface Temperature (K) Constant = 2.898 x 10 -3 mK It
what is constant
Batch fermentation For aerobic cultivation of yeast the cell mass concentration, X t , and the concentration of the limiting substrate component (glucose), S t , has been deter
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