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Rahul Suhag asked a question
Subject: Physics, asked on on 4/12/12

derive an expression for work done in adiabatic process?
Vineeta asked a question
Subject: Physics, asked on on 18/1/12

what are the characteristics of simple harmonic motion
Aishwarya Naidu asked a question
Subject: Physics, asked on on 19/2/15

During an experiment, an ideal gas is found to obey an additional law

VP2 = constant. The gas is initially at a temperature T and volumeV.When it expends to a volume 2V, what does new temperature become.​
sidhant94... asked a question
Subject: Physics, asked on on 8/3/11

 At what temperature is the rms velocity of hydrogen molecule equal to that of an oxygen

molecule at 47 º ?
Prateek Kulshreshtha asked a question
Subject: Physics, asked on on 1/7/15
drops of water fall from the roof of a building 9m high at regular intervals of time, the first drop reaching the ground at the instant fourth drops starts toful.what are the distances of the second and the third drop from the roof.
Alia asked a question
Subject: Physics, asked on on 21/12/15
a vessel contains a non linear triatomic gas. if 50% of gas disassociate into individual atom, then find new value of freedom by ignoring the vibrational mode and any further dissociation
Naman Rastogi asked a question
Subject: Physics, asked on on 25/12/11

How can we get PV =NKBT  . what is the value of KB?
Venky Tanneru & 1 other asked a question
Subject: Physics, asked on on 20/5/16
14g of CO at 27c is mixed with 16g of O2 at 47c. the temperature of the mixture is
Aanchal Subba asked a question
Subject: Physics, asked on on 11/3/12

(i) Can a body have zero velocity and finite acceleration? Explain with example.

(ii) Can a body have constant speed but varying velocity?
Anusuya Naik asked a question
Subject: Physics, asked on on 19/1/17
Derive an expression for pressure exerted by an ideal gas on the basis of kinetic theory of gases.
Pooja asked a question
Subject: Physics, asked on on 1/12/11

The ratio of no of collisions per second at the walls of container by He and O2 gas molecules kept at same volume and temperature is ?
Sadhana asked a question
Subject: Physics, asked on on 3/10/16
one kg of a diatomic gas is at a pressure of 8*10 to the power 4 n/m2. the density of the gas is 4kg/m3 .what is the energy of the gas due to its thermal motion
Avani Goel asked a question
Subject: Physics, asked on on 2/1/13

a gas mixture consists of 2 moles of oxygen and 4 moles of argon at temp. T . neglecting all vibrational modes , what will be the total internal energy of the system
Anshuman Anshi asked a question
Subject: Physics, asked on on 17/1/16
One mole of a monoatomic gas is mixed with 3 moles of diatomic gas. Find the molecular specific heat of mixture at constant pressure? 
Aneesh Kalkur asked a question
Subject: Physics, asked on on 8/2/16
Derive (alpha)v = 1/T for an ideal gas
Alia asked a question
Subject: Physics, asked on on 20/12/15
a gas is filled in a container of volume v at 121c. to what temperature should it be heated in order that one fourth of the gas may escape out of the vessel
Ayush Kumar & 1 other asked a question
Subject: Physics, asked on on 17/10/12

i want derivation of cp and cv for monoatomic, diatomic, triatomic..... plz answer fast its urgent 2morrow is my exam..
Heena asked a question
Subject: Physics, asked on on 7/12/13

a narrow glass tube 80 cm long and opens at both the ends is half immersed in mercury now the top of the tube is closed and is taken out of mercury . a 20cm long mercury column remains in the tube . find atmospheric pressure??

plz gv a detailed explanation
Pulkit Saboo asked a question
Subject: Physics, asked on on 11/2/13

DERIVE THE RELATION BETWEEN GAMMA AND DEGREE OF FREEDOM (f).
Pooja asked a question
Subject: Physics, asked on on 30/11/11

A gas at Po is contained in a vessel.If the masses of all the molecules is halved and their velocities doubled, then the resulting pressue will be

a) 4Po  b) 2Po

c) Po  d) Po/2
Alia asked a question
Subject: Physics, asked on on 21/12/15
the rms speed of the molecules of enclosed gas is v. what will be the rms speed if pressure is doubled keeping the temperature same?
Zeeshan Rahman & 1 other asked a question
Subject: Physics, asked on on 9/2/14

Calculate the temperature at which the root mean square speed of a gas

doubles its value at STP. (standard temperature is taken as 273K )
Madhu S Ashok asked a question
Subject: Physics, asked on on 17/2/15
A gas is filled in a vessel at 27 C. To what temperature must the vessel be heated in order that 1/3 of the gas may escape out of the vessel?
Priti Bhagat & 1 other asked a question
Subject: Physics, asked on on 26/4/16
a container is filled with a sample of gas having n molecules with speed a, 2a, 3a.......,na. the ratio of average speed to root mean square speed is
Prince Second asked a question
Subject: Physics, asked on on 23/11/16
A vessel contains two non reacting gases : neon (monatomic) and oxygen (diatomic). The ratio of their partial pressures is 3:2. Estimate the ratio of 1) number of molecules and 2) mass density of neon and oxygen in the vessel. Atomic number of Ne = 20.2, molecular mass of O2  is 32/0.
Shubhanshu Bhargava asked a question
Subject: Physics, asked on on 24/3/13

 can u give me proof of bernoulli theorem
Pooja asked a question
Subject: Physics, asked on on 30/11/11

When one mole of monoatomic gas is mixed with one mole of a diatomic gas , then the equivalent value of Cp/Cv or γ for mixture will be ? (if vibration mode is neglected )
Smrit Doharey asked a question
Subject: Physics, asked on on 25/2/12

 what is the ratio of rms speed of oxygen and hydrogen molecule at the same temparature ??????????
Tanya Tiwari asked a question
Subject: Physics, asked on on 30/1/16
A box of negligible mass containing 2 moles of an ideal gas of molar mass M and adiabatic exponent Y moves with constant speed v on a smooth horizontal surface. If box suddenly stops then change in temperature of gas will be
sthita9hp asked a question
Subject: Physics, asked on on 5/3/11

 why gases have two specific heat capacity?explain why specific heat at constant pressure is greater than specific heat at constant volume?
Ayushi asked a question
Subject: Physics, asked on on 10/5/15
An object is projected upward with a velocity of 100m/s.Then how much time it will take to strike the ground?
Swapan Maity & 1 other asked a question
Subject: Physics, asked on on 20/12/16
A jar has a mixture of hydrogen and oxygen in the ratio 1:5, the ratio of mean kinetic energy of hydrogen and oxygen molecule is?
Shirshita Pattnaik & 1 other asked a question
Subject: Physics, asked on on 6/9/13

difference between ideal gas and perfect gas?
Swapan Maity asked a question
Subject: Physics, asked on on 10/1/17
Two container A and B are partly filled with water and closed. The volume of A is twice that B and it contains half the amount of water in B. If both are same tempereture, thr water vapour in the container will have pressure in the ratio of?
Sairam asked a question
Subject: Physics, asked on on 28/2/13

what is law of equipartition of energy? please explain in simple words.
Shivani & 1 other asked a question
Subject: Physics, asked on on 2/3/13

what is degree of freedom?
Hemasri Rajendiran asked a question
Subject: Physics, asked on on 15/2/16
2 vessels of the same size are at the same temperature one of them contains  1kg of H2 gas and the other contains 1 kg of N2 gas.which contains more molecules ,2)which vessel is under greater pressure.3)in which vessel is the average molecular speed greater and by how many times?
Pooja asked a question
Subject: Physics, asked on on 1/12/11

How can we find the no of degrees of freedom ?? For example:- An ant is moving on a horizontal surface. The no of degrees of freedom of the ant will be ?
Yashwant asked a question
Subject: Physics, asked on on 14/8/15
The equation of motion of a projectile is y =12x - 3/4x^2.Given that g=10 ms what is the range of the projectile
Navya asked a question
Subject: Physics, asked on on 16/6/15
A projectile is thrown with velocity of 50 m/sec towards an inclined plane from ground such that it strikes the inclined plane perpendicularly the angle of projection of the projectile is 53^0 with the horizontal and the inclined plane is inclined at an angle of 45^0 to the horizontal.find the distance between the point of projection and the foot of inclined plane.
megadeth_angish... asked a question
Subject: Physics, asked on on 31/8/11

under constant acceleration the average velocity of a particle is half  the sum of its initial and final velocities .is this still true if the acceleration is not constant?EXPLAIN
Aaqil Ahamed asked a question
Subject: Physics, asked on on 8/2/15
If 70 calorie of heat is required to raise the temp of 2 mole of an ideal gas at constant pressure from 30 to 35,calculate the degrees of freedom of the gas molecules?
Prithesh Dwivedi asked a question
Subject: Physics, asked on on 16/7/16
A Particle  is projected  from the  ground  in earth’s gravitational field  at an angle   theta with  the horizontal then  Center of curvature  of projectile’s  trajectory at the highest point is below  the ground  level if  theta < tan-1 √2 / is above  the ground  level if  theta > tan-1 √2 / may be above  the ground  level if  theta < tan-1 √2./ may be above  the ground  level if  theta < tan-1 √2./  below  the ground  level if  theta > tan-1 √2.
Prasuna asked a question
Subject: Physics, asked on on 6/7/15
an object is projected with a velocity of 20m/s making an angle of 45 degrees with horizontal . The equation for the trajectory is h=Ax-Bx^2 where his height , x is horizontal distance ,A and B are constants . The ratio of A and B is
Sakshi asked a question
Subject: Physics, asked on on 22/2/16
ideal gas undergoes a polytropic given by equation PVn = constant . If molar heat capacity of gas during this process is arithmetic mean of its molar heat capacity at constant pressure and constant volume then value of n is
Niharika Sah asked a question
Subject: Physics, asked on on 4/5/18
Q:21
If α moles of a monoatomic gas are mixed with β moles of a polyatomic gas and mixture behaves like diatomic gas, then (neglect the vibrational mode of freedom)

(1) 2α=β                                                       (2) α=2β (3) α=-3β                                                    (4) 3α=-β 
Thandaka Bhavana asked a question
Subject: Physics, asked on on 4/2/16
at what temperature will the rms velocity of hydrogen be double its value at stp when pressure remains constant
sudipkumar_shrestha... asked a question
Subject: Physics, asked on on 9/12/10

Explain why Cp > Cv ?
Piyush Joshi asked a question
Subject: Physics, asked on on 28/12/12

Derive an xpression for pressure of gas in a container
Sachin Dahake asked a question
Subject: Physics, asked on on 17/2/15
calculate the ratio of average kinetic energy of one molecule of diatomic ( rigid) and diatomic ( elastic)at temperature 150C????
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