Engineering Physics

Multiple Choice Questions

1. Quantum theory successfully explains:     ( )
   1. interference and diffraction
   2. polarization and black body radiation
   3. photoelectric effect and Compton effect
   4. all
2. Dual nature [particle and wave] of matter was proposed by:     ( )
   1. de Broglie
   2. Planck
   3. Einstein
   4. Newton
3. The wavelength associate with a particle of mass ‘m’ moving with a velocity ‘v’ is [h = Planck’s constant]     ( )
   1. 
   2. 
   3. 
4. The wavelength of de Broglie wave associated ...