In the nuclear reaction is
|
(a) |
(b) |
(c) |
(d) |
In the nuclear reaction is
|
(a) |
(b) |
(c) |
(d) |
(c)
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In which of the following ionic bond is present
|
(a) NaCl |
(b) Ar |
(c) Si |
(d) Ge |
A bar magnet having centre O has a length of 4 cm. Point P1 is in the broad side-on and P2 is in the end side-on position with OP1 = OP2 = 10 metres. The ratio of magnetic intensities H at P1 and P2 is
|
(a) |
(b) |
|
(c) |
(d) |
In water voltameter, the electrolysis of ...... takes place
|
(a) |
(b) |
(c) |
(d) |
If
and
are respectively the filament resistances of a 200 watt bulb and 100 watt bulb designed to operate on the same voltage, then
|
(a) |
(b) |
|
(c) |
(d) |
Hubble showed that the universe as a whole is expanding and the distant stars are receding from us. The spectral line from a star, when compared with the corresponding line from an source will then show
|
(a) A shift in frequency towards the red end |
|
(b) A shift in frequency towards the violet end |
|
(c) No shift in frequency at all |
|
(d) A shift in frequency towards the violet end as well as a decrease in intensity |
In a current carrying long solenoid, the field produced does not depend upon
|
(a) Number of turns per unit length |
(b) Current flowing |
|
(c) Radius of the solenoid |
(d) All of the above three |
In nuclear reactions, we have the conservation of
|
(a) Mass only |
(b) Energy only |
|
(c) Momentum only |
(d) Mass, energy and momentum |
