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According to Dulong petit’s law, the average molar heat capacities for all metals except the very lightest are approximately the same and equal to about

25 J.mol-1(oC)-1

30 J.mol-1(oC)-1

20 J.mol-1(oC)-1

35 J.mol-1(oC)-1

The maximum possible efficiency of an engine having two heat reservoirs can be calculated by

Carnot cycle

First law of thermodynamics

Zeroth law of thermodynamics

Planck’s law

The temperature of the surface of the sun is 6500oC. The same on Rankine and Kelvin scale respectively will be:

12000, 6600

12192, 6773

12200, 6800

None of the above

At what temperature do the Kelvin and the Fahrenheit scales coincide?

574.25

560

40

None of the above

According to Planck’s formula for maximum energy of emission, will be

0

1

5

According to Andrew’s result, every substance has a

Critical temperature

Critical point

Critical Constant

All of the above

The triple point pressure of water is 4.60 mm. What is the corresponding triple point temperature, if the saturation vapour pressures (S.V.P.) for water at 0oC be 4.5762 mm and at 1oC be 4.9162 mm?

0.0030oC

0.0070oC

0.0123oC

0.0156oC

If the triple point temperature of water be 0.0070oC and the S.V.P. of water at 0oC =460 mm, with 0.34 mm its rate of increase per 1oC rise in temperature, what is the lowering of the melting point of ice per 1 atmosphere increase of pressure?

0.0069oC

0.0123oC

0.0072oC

0.0143oC

If 210 kJ heat is supplied to ice of mass m=720 g at –10oC, then what are the final state at 0oC temperature of the water?

580 g water, 140 g ice

500 g water, 220 g ice

475 g water, 245 g ice

450 g water, 270 g ice

Critical temperature of a gas is the temperature below which a gas can be liquefied by

The application of temperature alone

The application of pressure alone

Decreasing the mass of gas

Both (a) and (b)

25 J.mol-1(oC)-1

30 J.mol-1(oC)-1

20 J.mol-1(oC)-1

35 J.mol-1(oC)-1

The maximum possible efficiency of an engine having two heat reservoirs can be calculated by

Carnot cycle

First law of thermodynamics

Zeroth law of thermodynamics

Planck’s law

The temperature of the surface of the sun is 6500oC. The same on Rankine and Kelvin scale respectively will be:

12000, 6600

12192, 6773

12200, 6800

None of the above

At what temperature do the Kelvin and the Fahrenheit scales coincide?

574.25

560

40

None of the above

According to Planck’s formula for maximum energy of emission, will be

0

1

5

According to Andrew’s result, every substance has a

Critical temperature

Critical point

Critical Constant

All of the above

The triple point pressure of water is 4.60 mm. What is the corresponding triple point temperature, if the saturation vapour pressures (S.V.P.) for water at 0oC be 4.5762 mm and at 1oC be 4.9162 mm?

0.0030oC

0.0070oC

0.0123oC

0.0156oC

If the triple point temperature of water be 0.0070oC and the S.V.P. of water at 0oC =460 mm, with 0.34 mm its rate of increase per 1oC rise in temperature, what is the lowering of the melting point of ice per 1 atmosphere increase of pressure?

0.0069oC

0.0123oC

0.0072oC

0.0143oC

If 210 kJ heat is supplied to ice of mass m=720 g at –10oC, then what are the final state at 0oC temperature of the water?

580 g water, 140 g ice

500 g water, 220 g ice

475 g water, 245 g ice

450 g water, 270 g ice

Critical temperature of a gas is the temperature below which a gas can be liquefied by

The application of temperature alone

The application of pressure alone

Decreasing the mass of gas

Both (a) and (b)

This test is very helpful for AIEEE and IIT JEE exam preparation.

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