Recent questions and answers in Chapter3:Kinetic Theory of Gases and Radiation

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1 answer 96 views

Find the temperature of a blackbody if its spectrum has a peak at

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 140 views

A small-blackened solid copper sphere of radius 2.5 cm is placed in an evacuated chamber.

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 107 views

Earth’s mean temperature can be assumed to be 280 K.

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 163 views

Compare the rates of emission of heat by a blackbody maintained at 727 ºC and at 227ºC

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 157 views

The emissive power of a sphere of area 0.02 m2 is 0.5 kcal s-1 m-2. What is the amount of heat radiated

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 148 views

Energy is emitted from a hole in an electric furnace at the rate of 20 W, when the temperature of the furnace is 727 ºC.

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 128 views

Calculate the energy radiated in one minute by a blackbody of surface area 100 cm2 when it is maintained at 227 ºC.

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 174 views

Calculate the average molecular kinetic energy (i) per kmol (ii) per kg (iii) per molecule of oxygen at 127 ºC

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 167 views

Find kinetic energy of 5 litre of a gas at S.T.P. given standard pressure is 1.013 × 105 N/m2

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 116 views

Compare the rms speed of hydrogen molecules at 127 ºC with rms speed of oxygen molecules at 27 ºC

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 101 views

At what temperature will oxygen molecules have same rms speed as helium molecules at S.T.P.?

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 118 views

Show that rms velocity of an oxygen molecule is 2 times that of a sulfur dioxide molecule at S.T.P.

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 186 views

A gas in a cylinder is at pressure P. If the masses of all the molecules are made one third of their original

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 137 views

Two vessels A and B are filled with same gas where volume

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 117 views

Calculate the ratio of mean square speeds of molecules of a gas at 30 K and 120 K.

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 110 views

State and prove Kirchoff’s law of heat radiation.

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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0 answers 50 views

Explain spectral distribution of blackbody radiation.

asked May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 91 views

state Wein’s displacement law.

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 99 views

state Stefan-Boltmann law

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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1 answer 188 views

State the law of equipartition of energy and hence calculate molar specific heat of mono- and di-atomic gases

answered May 30, 2022 in Chapter3:Kinetic Theory of Gases and Radiation by nehapatil (3.2k points)

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