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  • Which of the following statement is true for gas? (i) For a certain temp average speed is always greater than most probable speed. (ii) Ratio of Vrms: Vav: Vmp is &nbs

Which of the following statement is true for gas?

(i) For a certain temp average speed is always greater than most probable speed.

(ii) Ratio of Vrms: Vav: Vmp is

                     1.77: 1.6:  1.41

Option: 1

Only (i) 


Option: 2

Only (ii) 


Option: 3

Both (i) and (ii) 


Option: 4

None of these


Answers (1)

best_answer

As we learn

Relation between RMS speed, average speed and most probable speed -

V_{rms}> V_{av}> V_{mp}

 

 (i) V_{rms}> V_{av}> V_{mp}

(ii) \sqrt{\frac{3RT}{M}}:\sqrt{\frac{8RT}{\pi M}}:\sqrt{\frac{2RT}{M}}

1.77\sqrt{\frac{RT}{M}}:1.6\sqrt{\frac{RT}{ M}}:1.41\sqrt{\frac{RT}{M}}

1.77:1.6:1.41

 

 

Posted by

vinayak

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