The potential difference between the cathode and the target in a Collidge tube is 100 kV. The minimum wavelength of the X-rays emitted by the tube is
|
(a) 0.66 Å |
(b) 9.38 Å |
(c) 0.246 Å |
(d) 0.123 Å |
(d) 0.123 Å
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An N-type and P-type silicon can be obtained by doping pure silicon with
|
(a) Arsenic and Phosphorous |
(b) Indium and Aluminium |
|
(c) Phosphorous and Indium |
(d) Aluminium and Boron |
A spectrum is formed by a prism of dispersive power ‘ω’. If the angle of deviation is ‘δ’, then the angular dispersion is
|
(a) ω/δ |
(b) δ / ω |
(c) 1/ ωδ |
(d) ω δ |
An electric potential difference will be induced between the ends of the conductor shown in the diagram, when the conductor moves in the direction
|
(a) P |
(b) Q |
(c) L |
(d) M |