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Shreya Choudhary
Subject: Physics
, asked on 9/1/18
Temperature of ideal gas is increased from 27 degree Celsius to 927 degree Celsius The RMS speed of molecule will become
Answer
1
Shreya Choudhary
Subject: Physics
, asked on 9/1/18
The mean rotational kinetic energy of diatomic molecule at temperature T is
(1)
1
2
KT
(2)
5
2
KT
(3) KT (4)
3
4
KT
Answer
1
Avika .
Subject: Physics
, asked on 9/1/18
The radius of capillary tube is 0.025 mm it is held vertically in a liquid whose density is 0.8* 10^ 3 kg metre per cube. surface tension is 3*10 ^2 Newton per metre and for which cosine of angle of contact is 0.3 degree. determine height upto which the liquid will rise in the tube.
Answer
1
Avika .
Subject: Physics
, asked on 9/1/18
Calculate the temperature at which RMS velocity of a SO2 is same as that of oxygen at 27 degree Celsius
Answer
1
Avika .
Subject: Physics
, asked on 9/1/18
Density of CO2 at zero degree Celsius and at pressure of 1.01 * 10^ 5 Newton metre square is 1.98 kg per metre cube. Calculate the root mean square velocity of its molecule at zero degree Celsius and 30 degree Celsius and assuming pressure to be constant.
Answer
1
Avika .
Subject: Physics
, asked on 9/1/18
The root mean square velocity of molecules of hydrogen at STP is 1.84 kilometre per second calculate The RMS velocity of oxygen molecules at STP
Answer
1
Avika .
Subject: Physics
, asked on 9/1/18
Calculate The RMS velocity of oxygen at STP
Answer
1
Avika .
Subject: Physics
, asked on 9/1/18
Calculate the root mean square speed of smoke particles each of mass = 5*10^-27 kg
Answer
1
Avika .
Subject: Physics
, asked on 9/1/18
What is the average distance between atoms in water if volume of water is 3*10^29 and density equals 1000 kg per metre cube
Answer
1
Avika .
Subject: Physics
, asked on 9/1/18
Estimate the volume of water molecule if density of water is 1000 per metre cube
Answer
1
Shreya Choudhary
Subject: Physics
, asked on 8/1/18
Solve this:
36
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Answer
2
Shreya Choudhary
Subject: Physics
, asked on 8/1/18
A gas is filled in a vessel at 27°C. To what temperature should it be heated on order that
1
3
rd
of the gas may escape out of the vessel?
Answer
3
Hitansh Doshi
Subject: Physics
, asked on 6/1/18
A particle carrying 5 electrons starts from rest and accelerated through a potential difference of 8900 V. calculate the K.E. acquired by it in MeV.charge on electron=1.6 * 10
-19
C.
Answer
1
Aishwarya
Subject: Physics
, asked on 6/1/18
A vessel contains two non-reacting gases : neon (monoatomic) and oxygen (diatomic). The ratio of their
partial pressures is 3 : 2. Estimate the ratio of (i) number of molecules and (ii) mass density of neon and oxygen in the vessel. Atomic number of Ne = 20.2, molecular mass of O
2
= 32.0
Answer
1
Anupal Das
Subject: Physics
, asked on 2/1/18
State and explain the Newton's law of cooling. State the conditions under which Newton's law of cooling is applicable. A body cools down from 60degree C to 50degree C in 5 minutes and to 40degree C in another 8 minutes. Find the temperature of the surroundings.
Answer
1
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What are you looking for?
(1) (2) (3) KT (4)
partial pressures is 3 : 2. Estimate the ratio of (i) number of molecules and (ii) mass density of neon and oxygen in the vessel. Atomic number of Ne = 20.2, molecular mass of O2 = 32.0