| Assertion (A): de-Broglie equation is significant for microscopic particles. |
| Reason (R): de-Broglie wavelength is inversely proportional to the mass of a particle when velocity is kept constant. |
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is NOT the correct explanation of A
C) A is true but R is false
D) A is false and R is true
Correct Answer: A
Solution :
| Option [a] is correct. |
| Explanation: de-Broglie wavelength, \[\lambda =h/mv\], |
| h and \[v\] remaining constant, \[\lambda \propto 1/m\] |
| So, as the mass of the particle becomes smaller and smaller the de-Broglie wavelength of the particle becomes more and more significant. |
| Hence, assertion and reason both are true and reason explains the assertion properly. |
You need to login to perform this action.
You will be redirected in
3 sec
