Quiz Lesson 11: Quantum Optics

Note: You have only one chance in all the questions. Please be sure before answer.

 

1. What are the two greatest theories of the twentieth century
A)     Relativity and electromagnetic waves
 B)     Electromagnetic waves and wave theory
 C)     Relativity and quantum mechanics
 D)     Quantum Mechanics and wave theory
 E)     Others

 

2. Who was the first scientist who considered the Light like a corpuscle.
A)     Planck
 B)     Newton
C)     Huygens
 D)     Maxwell
 E)     Other

 

3. What was the base for Maxwell and other scientist when they invented the ether.
A)     The Light behaviour like a wave and therefore it couldn’t transmit itself in the void.
 B)     The Light don’t fulfil all the properties of a corpuscle.
 C)     They discovered that the Light acts like a wave.
 D)     None

 

4 The Planck’s theory says that the energy emitted by the oscillators in a black body:
A)     Left in packets
 B)     Is proportional to hv
 C)     The two preceding
 D)     Is constant
 E)     None of the mentioned

 

5. The value of the Planck’s constant is
A)    6,62x10^-34 J.s
 B)     3x108 J.s
 C)    None

 

6. The value of the Light velocity is:
A)     6,62x10^-34 m/s
 B)     3x108 m/s
 C)     None

 

7. In the photoelectric effect, if we increase the wavelength, the energy that the electrons left with:
A)     Increase
 B)     Decrease
 C)     Stay constant
 D)     Can’t know
8. And, if we increase the Light intensity but left constant the wavelength, what happens with the energy of the electrons?
A)     Increase
 B)     Decrease
 C)     Stay constant
 D)     Can’t know

The following questions have a value of ½ point.

Answer true or false:

 

There are different types of quantums
True
False

 

The electric charge and the energy are formed by quantums
True
 False

 

A photon is a quantum of Light
True
 False

 

The wave theory doesn’t have any value after the discovery of the quantum theory.
True
 False

Count your correct answers.

If you obtained less than 7, we recommend that you repeat this lesson.

If you have 7 or more points, Congratulations, you may see your Diploma.