(a) Explain the De-Broglie concept of matter waves. Discuss what is m…

Question

(a) Explain the De-Broglie concept of matter waves. Discuss what is meant by wave-packet, phase and group velocities. Show that the group velocity of the waves associated with a particle is equivalent to the velocity of the particle. (12)

(b) Calculate the (i) Speed and (ii) De-Broglie wavelength of an electron moving with kinetic energy of $120\text{ eV}$. (8)

Related pages

• Velocity of Electromagnetic Waves — topic
• Applied Engineering Physics syllabus

More PYQs on Velocity of Electromagnetic Waves

• (a) Obtain the wave equations for an electromagnetic wave in free space. Prove that the velocity of em wave in a medium of magnetic permeability $\mu$ and elec…