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Thermodynamic laws:
First law of thermodynamics
In internal energy of a system the change is the total heat transferred to or from the system & the work done on or by the system.
Second law of thermodynamics
The entropy is a measure of the unavailability of a system's energy to do useful work of a closed system tends to enhance with time.
Third law of thermodynamics
For changes including only perfect crystalline solids at absolute zero, the change in the over all entropy is zero.
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 e
An α particle is a positively charged particle. Rutherford observed the behaviour of these particles when they approach the interior of the atoms as shown in fig. Rutherford ob
compostion of two simple harmonic motion
consider a star orbitining in the sperically graviational potential Y=(Vc)2 ln(r/r0). a)use conservation of energy and angular momentum to obtain equation for dr/dt and d(teta)/dt
Refracting telescopes, if uncorrected, suffer from chromatic aberration. Chromatic aberration occurs because: a) red light is focused more strongly than blue light b)
What is coulmb''s law
WHERE DOES C.O.G AND C.O.M DIFFER?....GENERALLY BOTH COINCIDES....GIVE EXAMPLE WHERE BOTH DIFFER? Ans) C.O.G and C.O.M mainly coincides at the see-level region.But C.O.G is a va
what is the physical significance of damping constent
Two forces have magnitudes of 11 newtons and 5 newtons. The magnitude of their sum could NOT be equal to which of the following values? a) 16 newtons b) 5 newtons b)
'To and Fro' type of motion is known as an Oscillatory Motion. It needed not be periodic and needed not have fixed extreme positions. The force/torque acting in oscillatory moti
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