In Davisson-Germer experiment the diffracted proton from crystal shows______________?

Related Mcqs:

1. Davison Germer experiment indicates__________________?

   A. Interference B. Polarization C. Electron diffraction D. Refraction...

2. X-rays are diffracted by a crystal but not by a diffraction grating because_____________?

   A. The ions in a crystal are well arranged B. The lines in a diffraction grating cannot reflect X-rays. C. The penetration power of X-rays is high in a diffraction grating D. The wavelengths of X-rays are of the same order of magnitude as the separation between atoms in a crystal...

3. Proton electron neutron and a particles have same momentum. Which of them have highest K.E ?

   A. Proton B. electron C. neutron D. a-particle...

4. Neutron and proton are commonly known as______________?

   A. Nucleon B. Meson C. Boson D. Quartz...

5. A particle having the mass of an electron and the charge of a proton is called a______________?

   A. Antiproton B. Positron C. Gamma rays D. Photon...

6. Wavelength of X-rays falling at glancing angle of 30? on a crystal with atmic spacing 2 x 10-10 for the fist order diffraction is________________?

   A. 4 x 10-10 m B. 2 x 10-10 m C. 0.02×10-10m D. 20×10-10m...

7. The angular position of cells remains the same for a sample of a crystal. This property is called___________________?

   A. Isotropy B. Cleavage C. Homogeneity D. The external symmetry of form...

8. If the density of atoms remain same along any direction in a crystal is called__________________?

   A. Symmetry B. Homogeneity C. Isotropy D. Cleavage...

9. To obtain an n-type semiconductor germanium crystal it must be doped with foreign atoms whose valency is_____________?

   A. 2 B. 3 C. 4 D. 5...

10. To obtain a p-type semi-conductor Si Crystal must be doped with foreign atoms whose valency is_____________?

    A. 2 B. 3 C. 4 D. 5...