- AA uniform electric field.
- BA non-uniform electric field.
- CBoth (a) and (b).
- DNone of these.
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The idea of matter waves was given by
|
(a) Davisson and Germer |
(b) de-Broglie |
(c) Einstein |
(d) Planck |
In the circuit shown, the point ‘B’ is earthed. The potential at the point ‘A’ is
|
(a) 14 V |
(b) 24 V |
(c) 26 V |
(d) 50 V |
The n rows each containing m cells in series are joined in parallel. Maximum current is taken from this combination across an external resistance of 3W resistance. If the total number of cells used are 24 and internal resistance of each cell is 0.5 W then
|
(a) m = 8, n = 3 |
(b) m = 6, n = 4 |
(c) m= 12, n = 2 |
(d) m = 2, n = 12 |
In a radioactive substance at t = 0, the number of atoms is 8
. Its half life period is 3 years. The number of atoms 1
will remain after interva
|
(a) 9 yearss |
(b) 8 years |
(c) 6 years |
(d) 24 years |
