1. The energy of a neutron of de-Broglie wavelength 1 Å will be - (Ans. 8.13 eV)2. What voltage must be applied to an electron microscope to produce electrons of wavelength 1 Å -(Ans. 150 V)
OM PURI GOSAIN , 13 Years ago
Grade 12
1 Answers
Chetan Mandayam Nayakar
Last Activity: 13 Years ago
According to relativity, E2=p2c2+m2c4 E is total "mass-energy", p is momentum, c is speed of light in vacuum and m is rest mass. de Broglie wavelength λ=h/p, h is Planck's constant
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free