Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The particle is moving 5 times as fast as an electron, the ratio of the of the particle to that of the electron is 1.878 x 10-4, then the mass of the particle

The particle is moving 5 times as fast as an electron, the ratio of the \lambdaof the particle to that of the electron is 1.878 x 10-4, then the mass of the particle is close to
Option: 1 9.7 x 10-28 kg
Option: 2 4.8 x 10-27 kg
Option: 3 1.2 x 10-28 kg  
Option: 4 9.1 x 10-31 kg

Answers (1)

best_answer

\frac{\lambda_e}{\lambda_p} = \frac{\frac{h}{m_e v_e}}{\frac{h}{m_p v_p}} \\ \\

It is given that

\frac{\lambda_p}{\lambda_e} = 1.878 \times 10^{-4}

me = 9.109 x 10-31 kg

Also given that

Vp = 5 Ve

After putting the values - 

mp = 9.7 x 10-28 kg

Posted by

avinash.dongre

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2024 Topper: Farmer’s son Gajare Nilkrishna says ‘keep questioning until you understand’
anam-khan

NIT Puducherry Cut-off 2024: Computer Science and Engineering had highest closing rank last year
anam-khan

JEE Mains: Farmer's son from remote Maharashtra village aces exam

Latest Question