- AZero.
- BConstant different from zero.
- CProportional to the distance from the curve.
- DNone of the above.
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A silicon speciman is made into a P-type semi-conductor by dopping, on an average, one Indium atom per 5 silicon atoms. If the number density of atoms in the silicon specimen is 5
then the number of acceptor atoms in silicon per cubic centimetre will be
|
(a) 2.5 |
(b) 1.0 |
|
(c) 1.0 |
(d) 2.5 |
A spherical conductor of radius 2m is charged to a potential of 120 V. It is now placed inside another hollow spherical conductor of radius 6m. Calculate the potential to which the bigger sphere would be raised
|
(a) 20 V |
(b) 60 V |
(c) 80 V |
(d) 40 V |
In a YDSE bi-chromatic light of wavelengths 400 nm and 560 nm are used. The distance between the slits is 0.1 mm and the distance between the plane of the slits and the screen is 1m. The minimum distance between two successive regions of complete darkness is
|
(a) 4 mm |
(b) 5.6 mm |
(c) 14 mm |
(d) 28 mm |