A. Symmetry
B. Homogeneity
C. Isotropy
D. Cleavage
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Related Mcqs:
- 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...
- 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...
- If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?
- A. West B. North C. Down D. Up...
- 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...
- Materials in which valence electrons are tightly bound to their atoms at low temperature are called___________________?
- A. Semi conductor B. Super conductors C. Insulators D. Conductor...
- 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...
- A cup of milk is placed in a microwave oven. Tell which statements is false. (1) Milk will be heated up only. (2) Cup will remain cool. (3) Both cup and mild will get hot ?
- A. None B. 1 C. 2 D. 3...
- In Davisson-Germer experiment the diffracted proton from crystal shows______________?
- A. Particle property B. Wave property C. Light property D. Quantum property...
- 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...
- Semi-conductors with donor atoms and free electrons belong to the type________________?
- A. n B. p C. mix D. any of above...
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