Davisson and Germer Experiment Quiz

1. Q. The formula associated with the electrons accelerated by a potential difference V is;

Select the correct option-

A.  lambda = 12.27/V

B.  lambda = 12.47/√V

C.  lambda = 12.07/V

D.  lambda = 12.27/√V

2. Q. By the Davisson and Germer Experiment electrons shows diffraction characteristics. Is it possible to use & test the neutrons and protons particles also, in this experiment to demonstrate the diffraction? In other words dual nature of neutrons and protons particles.

Option you have;

A. Yes

B. No

C. Maybe

D. 50% chance

3. Q. Let us consider a specific case of electron. If the electron acquires kinetic energy on being accelerated from rest through a potential difference of V volt, then KE = eV, if e is the electron charge, what would be the de- Broglie wavelength,

a.  lambda = h/sqrt{2meV}

b. lambda = h/sqrt{meV}

c. lambda = h/sqrt{2mKEV}

d. lambda = h/sqrt{meV}

4. Q. Diffraction is;

5. 10 Q. From the experiment observations, Davisson and Germer observed a most prominent bump. They explained it with the help of?

6. Q. In the Davisson Germer experiment, electrons emits from the filament i.e., tungsten. Is it true?

A. Yes

B. No

C. Maybe

D. 50%

7. Q. The year in which Davisson and Germer Experiment was performed to detect the electron diffraction is;

8. Q. Diffraction satisfies the condition;

9. Q: de-Broglie Hypothesis of Matter Waves says, all material particles in motion have wave nature also. The wave associated with moving particles of matter are called “de-Broglie waves” or “matter waves”.

If the Energy of a photon is ; E= hν

The de-Broglie wavelength of the photon would be,

10. Q. The Angle in between the incident beam and the scattered beam (enter into collector) is known as;