Recent questions tagged chapter13

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Find out the ratio between most probable velocity, average velocity and root Mean square Velocity of gas

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What is Mean free

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What happens when an electric fan is switched on in a closed

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If a certain mass of gas is heated first in a small vessel of volume V1 and then in a large vessel of volume V2. Draw the P – T graph for two

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Derive the Boyle’s law using kinetic theory of

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At what temperature is the root mean square speed of an atom in an argon gas cylinder equal to the r.m.s speed of a helium gas atom at- `20^oC`? Given Atomic Mass of Ar = 39.9 and of He =

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Show that constant – temperature bulk modulus K of an ideal gas is the pressure P of the

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If Nine particles have speeds of 5, 8, 12, 12, 12, 14, 14, 17 and 20 m/s. find :→1) the average speed2) the Most Probable speed3) the r.m.s. Speed of the

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Establish the relation between ` (gamma=(C_P)/(C_V))`and degrees of freedom

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The earth with out its atmosphere would be inhospitably cold. Explain

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The density of water is 1000 kg `m^(–3)`. The density of water vapour at 100 °C and 1 atm pressure is 0.6 kg `m^(–3)`. The volume of a molecule multiplied by the total number gives ,what is called, molecular volume. Estimate the ratio (or fraction) of the molecular volume

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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The density of water is 1000 kg `m^(–3)`. The density of water vapour at 100 °C and 1 atm pressure is 0.6 kg `m^(–3)`. The volume of a molecule multiplied by the total number gives ,what is called, molecular volume. Estimate the volume of a water

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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The density of water is 1000 kg `m^(–3)`. The density of water vapour at 100 °C and 1 atm pressure is 0.6 kg `m^(–3)`. The volume of a molecule multiplied by the total number gives ,what is called, molecular volume. What is the average distance between atoms (interatomic distance)

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A vessel contains two nonreactive gases : neon (monotonic) 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 mass of Ne = 20.2 u, molecular mass of `O_2`= 32.0 u. Example

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A flask contains argon and chlorine in the ratio of 2:1 by mass. The temperature of the mixture is 27 °C. Obtain the ratio of (i) average kinetic energy per molecule, and (ii) root mean square speed vrms of the molecules of the two gases. Atomic mass of argon = 39.9 u; Molecular mass of chlorine = 70.9 u. Example

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Uranium has two isotopes of masses 235 and 238 units. If both are present in Uranium hexafluoride gas which would have the larger average speed ? If atomic mass of fluorine is 19 units, estimate the percentage difference in speeds at any temperature.Example

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Answer of the following. When a molecule (or an elastic ball) hits a ( massive) wall, it rebounds with the same speed. When a ball hits a massive bat held firmly, the same thing happens. However, when the bat is moving towards the ball, the ball rebounds with a

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Answer of the following. When gas in a cylinder is compressed by pushing in a piston, its temperature rises. Guess at an explanation of this in terms of kinetic theory using (a)

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Answer of the following. What happens when a compressed gas pushes a piston out and expands. What would you observe

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Answer of the following. SachinTendulkar used a heavy cricket bat while playing. Did it help him in anyway ? Example

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