Test Preparation on Physics - Cathode Rays and Photoelectric Effect of Light and X-Rays
1.
Matter waves are :
2.
Cathode rays are made to pass between the plates of acharged capacitor. It attracts : 8.
3.
The X-ray tube is operated at 50 kV, the minimum 9.wavelength produced is:
4.
A beam of electrons is moving with constant velocity ina region having electric and magnetic field strength 20 Vm-1 and 0.5 T at right angles to the direction ofmotion of the electrons, what is the velocity of theelectrons ?
5.
If the kinetic energy of the moving particle is E, thende Broglie wavelength is :
