PLEASE ANSWER BOTH QUESTIONS 1) Given n_air<n_water<n_glass What will happen whe

1.) The beam will get bigger 2) Answer C. Just the number of electrons ejected, not the kinetic energy

ID: 1638231 • Letter: P

Question

PLEASE ANSWER BOTH QUESTIONS

1) Given n_air<n_water<n_glass

What will happen when I put a concave lens filled with air into a collimated (straight) beam that is passing through water?

A) The beam will get bigger

B) The beam will get smaller

C) The beam will be unaffected

In the photoelectric effect changing the intensity (not the wavelength) of the light effects:

A) The kinetic energy and number of electrons ejected.

B) Just the kinetic energy of the electrons ejected, not the number

C) Just the number of electrons ejected, not the kinetic energy

D) Neither the kinetic energy nor the number of electrons

1.)

The beam will get bigger

Answer

C. Just the number of electrons ejected, not the kinetic energy

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