de-Broglie matter waves

A photon is

• a quantum number

• a positively charged particle

• electromagnetic energy

• an instrument for measuring light intensity

Classical theory of radiation failed to explain photoelectric effect; however this phenomenon was explained on the basis of quantum theory by _____________

• Max Planck

• Einstein

• Compton

• Rutherford

The rest mass of photon is _____________.

• $\frac{h\nu}{c}$
  

• $\frac{h\nu^2}{c}$

• zero

• $h\nu$

Why wave nature of matter is not apparent to our daily observations?

• bodies travel with small velocities

• wavelength of the waves associated with the pretty heavy mass is very large

• bodies travel with large velocities

• wavelength of the waves associated with the pretty heavy mass is very small

If ‘h’ is Planck’s constant and the wavelength is 0.01 A°, find momentum?

• $h\times10^{12}$

• $h\times10^2$

• h

• $h\times10^4$

Energy of the photon can be represented by

•  $h\nu c$  

•  $\frac{hc}{\lambda}$  

•  $hc\lambda$  

•  $h\nu$  

The energy of a photon corresponding to the visible light of maximum wavelength is approximately _______________

• 7 eV

• 1 eV

• 3.2 eV

• 1.76 eV

The momentum of a photon is p, the corresponding wavelength is ____________

•  $\frac{4}{p}$  

•  $\frac{p}{h}$  

•  $ph$  

•  $\frac{h}{p}$  

Which of the following statement is correct?

• No particle whether at rest or in motion is ever accompanied by matter waves

• Any particle in motion, whether charged or uncharged is accompanied by matter waves

• Only subatomic particles in motion are accompanied by matter waves

• Only a charged particles in motion are accompanied by matter waves

The momentum of a photon of an electromagnetic radiation is  $3.3\times10^{-29\ ^{ }}$  kg m/s. What is the frequency of the associated waves? 

•  $\lambda=\frac{h}{mv}$  

•  $\lambda=\frac{mv}{h}$  

•  $\lambda=\frac{hv}{m}$  

•  $\lambda=\frac{m}{hv}$