calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light.

a) 2.73 x 10^-24

b) 2.42 x 10^-10

c) 242.2 x 10¹⁰

d) none of these

plz solve and explain the solution.....

Question

calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light. a) 2.73 x 10 -24 b) 2.42 x 10 -10 c) 242.2 x 10 10 d) none of these plz solve and explain the solution.....

AJAY LOGESH · Answer

&lambda; = h/mc In your problem, velocity = c/100 ( since the velocity is 1 %) Sub c=c/100 in above equation, You will get &lambda; = 100 h/mc Sub values of h,m and c. Arrange the powers of 10. The answer will be 2.42 x 10 -10 . So, Your answer will be (b) 2042 x 10 -10 . Hope you understand. Do well.

vikas askiitian expert · Answer

(lamda) = h/mv (h is planks constant , h = 6.6*10^-34 & m is mass of particle)

v = 1% of speed of light = C/100 (C is speed of light & C=3*10⁸)

lamda = h/mv

=100h/mC (m = 9.1*10^-31kg , mass of electron)

= 0.241*10^-9 m

=0.241nm or 2.41(angstorm)

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calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light. a) 2.73 x 10 -24 b) 2.42 x 10 -10 c) 242.2 x 10 10 d) none of these plz solve and explain the solution.....

calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light.

a) 2.73 x 10^-24

b) 2.42 x 10^-10

c) 242.2 x 10¹⁰

d) none of these

plz solve and explain the solution.....

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calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light. a) 2.73 x 10 -24 b) 2.42 x 10 -10 c) 242.2 x 10 10 d) none of these plz solve and explain the solution.....

calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light. a) 2.73 x 10-24 b) 2.42 x 10-10 c) 242.2 x 1010 d) none of these plz solve and explain the solution.....

2 Answers

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calculate de-Broglie wavelength of an electron travelling at 1% of the speed of light.

a) 2.73 x 10^-24

b) 2.42 x 10^-10

c) 242.2 x 10¹⁰

d) none of these

plz solve and explain the solution.....