MCQ
Coulomb’s law is true for:
- AAtomic distances (= 10–11 m).
- BNuclear distances (= 10–15 m).
- CCharged as well as uncharged particles.
- DAll the distances.
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The lowest resistance which can be obtained by connecting 10 resistors each of 1/10 ohm is
|
(a) 1/250 Ω |
(b) 1/200 Ω |
(c) 1/100 Ω |
(d) 1/10 Ω |
The ratio of the energy of a photon with
to that with
is
|
(a) 2 |
(b) 1/4 |
(c) 4 |
(d) 1/2 |
The neutron was discovered by
|
(a) Marie Curie |
(b) Pierre Curie |
(c) James Chadwick |
(d) Rutherford |