MCQ
The charge on proton is:
- A+e
- B-e
- C1/e
- D-1/e
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The electric potential inside a conducting sphere
|
(a) Increases from centre to surface |
|
(b) Decreases from centre to surface |
|
(c) Remains constant from centre to surface |
|
(d) Is zero at every point inside |
The minimum charge on an object is
|
(a) 1 coulomb |
(b) 1 stat coulomb |
|
(c) |
(d) |
The momentum of a photon in an X-ray beam of
metre wavelength is
|
(a) 1.5 |
(b) 6.6 |
|
(c) 6.6 |
(d) 2.5 |