12 Physics Dual Nature Of Radiation And Matter - Set No : 8 Question No :1
Question No : 1
The ratio
of the de Broglie wavelengths of an electron of energy  to that of person of mass  travelling at a speed of  is of the order of |
| a) |  | b) |  |
| c) |  | d) |  |
Answer No : 1
(b)For
an electronMass,
 Kinetic
energy,  de
Broglie wavelength, 
(i)For
the person Mass,  Speed,
 de
Broglie wavelength, 
(ii)Diving
(i) by (ii), we get  |