menu search
Feel free to answer or ask any questions.
If you are new here please see how to use or FAQ.
By what factor does the average velocity of a gaseous molecule increase when the the temperature (in kelvin) is doubled ?

(1) 2.8

(2) 4.0

(3) 1.4

(4) 2.0
thumb_up_off_alt 2 like thumb_down_off_alt 0 dislike

1 Answer

Ans (3): 1.4

Sol: $V α \sqrt T$

temp is doubled

${V_1\over V}=\sqrt{T_1\over T}$

${V_1\over V}=\sqrt{2T\over T}$

${V_1\over V}=\sqrt2$

${V_1\over V}= 1.4$
thumb_up_off_alt 1 like thumb_down_off_alt 0 dislike

Related questions

Welcome to Jee Neet QnA, where you can ask questions and receive answers from other members of the community.

1.1k questions

771 answers


77 users