A non uniform cylindrical rod of mass 5kg, length 2m and radius 0.1 m is having its center of mass Скачать
Two thermally insulated vessels 1 and 2 are filled with air at temperatures (T1,T2), volume (V1,V2) Скачать
One mole of ideal monoatomic gas (γ=5/3) is mixed with one mole of diatomic gas (γ=7/5). What is γ Скачать
1 mole of gas with γ=7/5 is mixed with 1 mole of a gas with γ=5/3, then the value of γ for the Скачать
At what temperature is the rms velocity of a hydrogen molecule equal to that of an oxygen molecule Скачать
Cooking gas containers are kept in lorry moving with uniform speed. The temperature of the gas molec Скачать
We want to cool down 3/4 kg of water from 80 degree C to 40 degree C by putting ice into it. What Скачать
A rod of length 1000 mm and coefficient of linear expansion α= 10-4 per degree is placed symmetrical Скачать
A gaseous mixture consists of 16 g of helium and 16 g of oxygen. The ratio Cp/Cv of the mixture is:- Скачать
How many gm of ice at -14 degree C are needed to cool 200 gm of water from 25 degree C to 10 degree Скачать
A 2gm bullet moving with a velocity of 200 m/s is brought to a sudden stoppage by an obstacle. Скачать
At what temperature, will the root mean square velocity of hydrogen be double of its value at Скачать
If the total number of H2 molecules is double that of O2 molecules then the ratio of kinetic energy Скачать
If the pressure in a closed vessel is reduced by throwing out some gas, the mean free path of the Скачать
At which temperature of the following, does any gas have average molecular kinetic energy double Скачать
N2 molecules is 14 times heavier than a H2 molecule. At what temperature will the rms speed of H2 Скачать
If rms velocity of a gas is Vrms = 1840 m/s and its density ρ=8.99 x 10-2 kg/m3, the pressure of the Скачать
The rms speed of an ideal diatomic gas at temperature T is v.When gas dissociates into atoms then Скачать
The speeds of 5 molecules of a gas (in arbitrary units)are as follows 2,3,4,5,6 The root mean square Скачать
If the pressure of a gas is doubled with constant temperature, then the mean square velocity will Скачать
The root mean square velocity of a gas molecule of mass m at a given temperature is proportional to: Скачать
The pressure exerted by a gas Po. If the mass of molecules becomes half and their velocity is become Скачать
Equal molar amount of H2, He having molecular weight of 2 and 4 respectively are field at same temp Скачать
Which of the following statement is not according to the postulates of kinetic theory of gases :- Скачать
The volume of an ideal gas is V at pressure P and temperature T. The mass of each molecule of the Скачать
Equal Volume of H2, O2 and HE gases are at same temperature and pressure. Which of these will have Скачать
The variation of PV graph with V of a fixed ma of a ideal gas at constant temperature is graphically Скачать
The number of oxygen molecules in a cylinder of volume 1 m3 at a temperature of 27 degree C and Скачать
A container of 5 litres has a gas at pressure of 0.8 m column of Hg. This is joined to an evacuated Скачать
The thermodynamic co-ordinates of a jar filled with gas A are P, V and T and another jar B filled Скачать
If one mole of a mono-atomic gas [γ=5/3] is mixed with one mole of a diatomic gas [γ=7/5], the value Скачать
O2 gas is filled up in a cylinder. if pressure is increased 2 times, temperature becomes four times. Скачать
Four moles of hydrogen, two moles of helium and one moles of water vapour form an ideal gas mixtures Скачать
1 mole of a gas having γ=7/5 is mixed with 1 mole of a gas having γ=4/3. what will be the γ for the Скачать
If γ be the ratio of specific heats of a perfect gas, the number of degrees of freedom of a molecule Скачать
For an ideal monatomic gas, the universal gas constant R is n times the molar heat capacity at Скачать
A triatomic gas molecules has translational, rotational and vibrational degrees of freedom, then Скачать
A pendulum clock is 5 sec fast at temperature of 15 C and 10 sec slow at a temperature of 30 C. Скачать
Ratio among linear expansion coefficient (α), area expansion coefficient (β) and volume expansion Скачать
If the length of a cylinder on heating increases by 2%, the area of its base will increase by Скачать
In a solid metal sphere there is a spherical cavity if solid is heated then volume of cavity :- Скачать
A rod of length 20 cm is made of metal. It expands by 0.076 cm when it’s temperature is raised from Скачать
Three rods of equal length l are joined to form an equilateral triangle PQR. O is themid point of PQ Скачать
The coefficient of linear expansion of crystal in one direction is α1 and that in every direction Скачать
A uniform cylindrical rod of length L and radius r, is made from from a material whose Young’s Скачать
A solid sphere, of radius R acquires velocity v1 when falling (due to gravity) through a viscous Скачать
In an experiment, bras and steel wires of length 1m each with areas of cross section 1mm^2 are used. Скачать
If ‘M’ is the mass of water that rises in a capillary tube of radius ‘r’, then mass of water which Скачать
The elastic limit of brass is 379 MPa. What should be the minimum diameter of a brass rod if it is Скачать
Young’s moduli of two Wires A and B are in the ratio 7:4. Wire A is 2 m long and has radius R.Wire B Скачать
A boy’s catapult is made of rubber cord which is 42 cm long, which is 6 mm diameter of cross-section Скачать
A steel wire having a radius of 2.0 mm, carrying a load 4 kg, is hanging from a ceiling. Given that Скачать
A load of mass M kg is suspended from a steel wire of length 2 m and radius 1.0 mm in Searle’s Скачать
A soap bubble, blown by a mechanical pump at the mouth of a tube, increases in volume, with time Скачать
A solid sphere of radius r is made of a soft material of bull modulus K is surrounded by a liquid in Скачать
The following observations were taken for determining surface tension T of water by capillary method Скачать
An External pressure P is applied on a cube at 0°C so that it is equally compressed from all sides. Скачать
A man grows into a giant such that his linear dimensions increase by a factor of 9. Assuming that Скачать
A pendulum made of a uniform wire of cross sectional area A has time period T. When an additional Скачать
The pressure that has to be applied to the ends of a steel wire of length 10cm to keep its length Скачать