Test Multiple Choice Test

A beam of light is directed onto a sheet of metal, but electrons are not ejected from the metal. Increasing which of the following could possibly cause the metal to begin to eject electrons?

As a photon strikes a piece of metal, the kinetic energy of an ejected electron is determined by -

The deBroglie wavelength theory equation....

In some situations, when a beam of light is directed at a metal surface, an electron is emitted. This happens because the photons in the light -

Which of the following behaviors of light provides evidence for its wave nature?

A ___________________________ is a discrete unit (quantum) of light energy.

If radiation has a frequency of 3.0 X 10^15 Hz and it strikes a material, what is the energy of each incident photon (Planck’s constant is 6.6 X 10^-34)?

If the frequency of light is 5.34 X 10^14 Hz, calculate the energy of the photon (Planck’s constant is 6.6 X 10^-34).

What is the Value of Planck's constant?

What is E = hf ?

Charge of an UP quark?

What distance is an angstrom?

What distance is a femtometre?

What is the speed of light?

Whats the charge of a down Quark?

E =

Physicist Thomas Young created the __________ to demonstrate the wave like properties of light.

What is the unit of measurement for Planck's constant

What is the unit of measurement for Electromagnetic Charge?

What is an electron orbital?

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