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A substance has constant heat capacity CP = 3.5R and its equation of state is given by:
P (V-cRT) = RT
where c = 5 * 10-7 m3 /J. This substance is isentropically compressed from P1 =1 bar, T1= 300 K to P2= 5 bar. What is the temperature after compression?
(An "isentropic process" is one in which the entropy of the fluid remains constant.)
The nucleus of helium contains : (1)Four protons (2)Four neutrons (3)Two neutrons and two protons (4)Four protons and two electrons Ans: (3)Two neutrons and two prot
A 0.150-kg ball that is thrown at a velocity of 30.0 m/s hits a wall and bounces back in the opposite direction with a speed of 25.0 m/s. How much work was done by the ball?
What are polar molecules Polar molecules - molecules having of two or more atoms that are neutral but have a charge which is not distributed uniformly.
According to Reynolds, the critical velocity (vc) of a liquid flowing by a long narrow tube is (a) Directly linked to the coefficient of viscosity of the liquid. (b) Inversel
What are the main types of laser? Types of lasers are as illustrated below: a. Solid State lasers b. Raman laser c. Semiconductor lasers d. Dye lasers e. Gaseous
A polarizer (Polarization) consists of long-chain polymers aligned in a preferred orientation. How does that orientation evaluate with the direction of polarization of the polarize
Calculate curl A. Where
(i) Time section of vibration of particle is described as the time taken by the particle to complete single vibration about its mean position. (ii) It is the time given by the r
SECOND DEFINITION OF IMPULSE: It can be described as, "The change in momentum produced by the force of impulse".
A pair of speakers separated by 0.700 m are driven by the same oscillator at a frequency of 688 Hz. An observer, originally positioned at one of the speakers, begins to walk along
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