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Absolute zero is defined as the tempertu...

Absolute zero is defined as the temperture

A

At which all molecular motion ceases

B

At which liquid helium boils

C

At which ether boils

D

All of the above

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A
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NARAYNA-STATES OF MATTER-EXERCISE - 1
  1. Kinetic energy and pressure of a gas of unit volume are related as:

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  2. A helium atom is two times heavier than a hydrogen molecule. At 298 K,...

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  3. Which of the following expressions correctly represents the relationsh...

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  4. An ideal gas will have maximum density when

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  5. Absolute zero is defined as the temperture

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  6. The ratio among most probable velocity, mean velocity and root mean ve...

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  7. Which of the following has maximum root mean square velocity at the sa...

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  8. A temperature at which rms speed of SO(2) molecule is half of that of ...

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  9. At 27^(@)C , the ratio of rms speed of ozone to that of oxygen is :

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  10. Choose the correct arrangement, where the symbols have their usual mea...

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  11. The root mean square velocity of one mole of a monoatomic gas having m...

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  12. Gases deviate from the ideal gas behaviour because their molecules

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  13. The compressibility factor of a gas is defined as z = PV //RT . The co...

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  14. In Vander Waal’s equation of state for a non-ideal gas, the term that ...

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  15. A gas is said to behave like an ideal gas when the relation (pV)/(T)= ...

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  16. In van der Waals' equation of state of the gas law the constnat 'b' is...

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  17. Which set of conditions represent the easiest way to cool a gas ?

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  18. Adiabatic demagnetisation is a technique used for

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  19. An ideal gas cannot be liquified because

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  20. An ideal gas obeying theory of gases can be liquefied if

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