- AWhose potential is zero
- ✓Which has the same potential at all points.
- COn which negative potential exists.
- DOn which positive potential exists.
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In order to increase the angular magnification of a simple microscope, one should increase:
Neutrino is a particle, which is
|
(a) Charged and has spin |
(b) Charged and has no spin |
|
(c) Charge less and has spin |
(d) Charge less and has no spin |
If the ratio of intensities of two waves is 1 : 25, then the ratio of their amplitudes will be
|
(a) 1 : 25 |
(b) 5 : 1 |
(c) 26 : 24 |
(d) 1 : 5 |
The total power content of an AM wave is 900 W. For 100% modulation, the power transmitted by each side band is
|
(a) 50 W |
(b) 100 W |
(c) 150 W |
(d) 200 W |
Gauss’s law is true only if force due to a charge varies as
|
(a) |
(b) |
(c) |
(d) |
Figure (a) shows two capacitors connected in series and joined to a battery. The graph in figure (b) shows the variation in potential as one moves from left to right on the branch containing the capacitors, if

|
(a) |
|
(b) |
|
(c) |
|
(d) The information is not sufficient to decide the relation between |
The critical angle of a material is the angle of incidence for which the angle of refraction is:
Atom bomb consists of two pieces of
and a source of
|
(a) Proton |
(b) Neutron |
(c) Meson |
(d) Electron |
