Group velocity quantum mechanics

Select all that applies regarding Photoelectric current / effect.

• Depends on frequency of incident radiation.

• Independent on intensity of incident radiation.

• Depends on nature of emitting surface.

• The kinetic energy of electrons depends on intensity of radiation.

The three essential conditions for a wave function are

• It should be normalizable

• It must be finite and single valued.

• It's derivatives, must be continuous and single valued.

• It, along with it's derivatives, must be continuous and single valued.

The slope of the kinetic energy versus frequency graph in the case of photoelectric effect, is

• n h / e

• h / n e

• h / e

• h e

Waves generated on the surface of water travel with phase velocity

 $v_p=\sqrt{\frac{g\lambda}{2\pi}}$  ,what is  the group velocity 

•  $2v_p$  

•  $\frac{v_p}{2}$  

•  $\frac{v_p^2}{2}$  

•  $\frac{v_p}{4}$  

What does the p stand for?

• power

• momentum

• pressure

• principle axis

In the case of time independent Schrodinger equation, the potential is ____

• dependent on time.

• may or may not be independent on time.

• independent on time.

• zero.

This equation represents Schrodinger's

• time independent in 3-d for free particle.

• time independent in 3-d.

• time dependent in 1-d for free particle.

• time dependent in 1-d.

There will be a probability of finding the particle outside the well in

• Infinite potential

• Finite potential

Determine the uncertainty in the velocity of a proton confined to a box of length 1 A^o

• 630 m/s

• 63 cm/s

• 6.3 cm/s

• 63 m/s

If the particle is confined to a region, what will be the potential inside the well

• Infinite

• ^V₀

• Zero