17. ne ms speed of hydrogen molecules is rms at temperature tk. then the rms speed o hydrogen atoms at twice the previous temperature will be (a) (c) v ms (b) (

sorry dear, I read wrong, here in the question it is given H molecule and H- atom. see the solution, you will understand the mistake.. sometimes we don't read question properly, s...

solution:

here is the solution.. option c is correct..

i am getting the answer as option C but in answer key it is given to be option D ....if my option which i opted is wrong plz can u give clear explanation to answer as option D...