Story
NEET AITS
Story
Mock Tests
Story
Live Class
Story
JEE AITS

Questions  

If kinetic energy of a proton is increased nine times, the wavelength of the de-Broglie wave associated with it would become

Unlock the full solution & master the concept.

Get a detailed solution and exclusive access to our masterclass to ensure you never miss a concept
By Expert Faculty of Sri Chaitanya
a
3 times
b
9 times
c
13times
d
19times

Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

detailed solution

Correct option is C

12mv2=K.E.  ⇒  12m2v2=m.K.E m2v2=2m .K.E λ=hmvsubstitute the value of mv mv=2m.K.E λ=h2m.K.E  ∴  λ∝1K.E......(1)From equation (1) when K.E. of the electron increased 9 times. The de – Broglie wavelength decreased by 13times.λ∝19=13

ctaimg

Similar Questions

The de-Broglie wavelength of an electron travelling with 10% of velocity of light is equal to

Want to Improve your productivity
talk to our academic experts now !!

counselling
india
+91

whats app icon