Photoelectric Effect True/False

In summary, the statements about the photoelectric effect are: -(T/F) The number of emitted electrons depends on the frequency, not the number of photons. -(T/F) The radiation needs a minimum number of photons for any electrons to be released. -(T/F) The energy of the radiation is inversely proportional to the wavelength. -(T/F) The kinetic energy of emitted electrons depends on the frequency, not the number of photons.
  • #1
wilso842
1
0

Homework Statement


Which of the following statements about the photoelectric effect are true?


-(T/F) The number of emitted electrons depends on the frequency, not the number of photons.
-(T/F) The radiation needs a minimum number of photons for any electrons to be released.
-(T/F) The energy of the radiation is inversely proportional to the wavelength.
-(T/F) The kinetic energy of emitted electrons depends on the frequency, not the number of photons.


please help. Thanks!


Homework Equations





The Attempt at a Solution


my first two tries were (F,F,F,T) and (T,F,F,T). both wrong of course
 
Physics news on Phys.org
  • #2
wilso842 said:

Homework Equations



What do you think the relevant equations are for this problem?
 

FAQ: Photoelectric Effect True/False

1. Is the photoelectric effect true or false?

The photoelectric effect is true. It is a phenomenon where electrons are emitted from a material when it absorbs electromagnetic radiation, such as light.

2. Does the photoelectric effect only occur with visible light?

No, the photoelectric effect can occur with all forms of electromagnetic radiation, including ultraviolet, infrared, and X-rays.

3. Is the photoelectric effect a classical or quantum phenomenon?

The photoelectric effect is a quantum phenomenon. It cannot be explained by classical physics and requires the understanding of quantum mechanics.

4. Can the photoelectric effect occur in a vacuum?

Yes, the photoelectric effect can occur in a vacuum. In fact, it was first observed in a vacuum tube by Heinrich Hertz in 1887.

5. Does the photoelectric effect have any practical applications?

Yes, the photoelectric effect has many practical applications, such as solar panels, photodiodes, and night vision devices. It is also the basis for the operation of many modern technologies, such as digital cameras and flat-screen displays.

Similar threads

Replies
17
Views
797
Replies
11
Views
2K
Replies
8
Views
2K
Replies
1
Views
4K
Replies
5
Views
3K
Replies
12
Views
1K
Replies
1
Views
3K
Back
Top