- AIn the positive charges.
- BIn both the positive and negative charges.
- CIn the field between the plates.
- DAround the edges of the capacitor plates.
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In the circuit shown below, the cell has an e.m.f. of 10 V and internal resistance of 1 ohm. The other resistances are shown in the figure. The potential difference is
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(a) 6 V |
(b) 4 V |
(c) 2 V |
(d) -2V |
The ionization potential for second He electron is
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(a) 13.6 eV |
(b) 27.2 eV |
(c) 54.4 eV |
(d) 100 eV |
In the given figure distance of the point from A where the electric field is zero is

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(a) 20 cm |
(b) 10 cm |
(c) 33 cm |
(d) None of these |
A photon in motion has a mass
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(a) c/hv |
(b) h/v |
(c) hv |
(d) |
In the white light of sun, maximum scattering by the air molecules present in the earth's atmosphere is for:
The temperature (T) dependence of resistivity (r) of a semiconductor is represented by
(a)
|
(b)
|
(c)
|
(d)
|