An electric potential difference will be induced between the ends of the conductor shown in the diagram, when the conductor moves in the direction
|
(a) P |
(b) Q |
(c) L |
(d) M |
(d) M
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A galaxy is observed to be moving with a velocity of 8600 km-sec–1. If it is at a distance of 430 million light year from us, Hubble constant and corresponding age of the universe are respectively
|
(a) 2 |
(b) 2 |
|
(c) |
(d) None of these |
During the nuclear fusion reaction
|
(a) A heavy nucleus breaks into two fragments by itself |
|
(b) A light nucleus bombarded by thermal neutrons breaks up |
|
(c) A heavy nucleus bombarded by thermal neutrons breaks up |
|
(d) Two light nuclei combine to give a heavier nucleus and possibly other products |
Three charges -
and 
are placed as shown in the figure. The x-component of the force on -
is proportional to
|
(a) |
(b) |
(c) |
(d) |
The variation of magnetic susceptibility (x) with temperature for a diamagnetic substance is best represented by
|
(a)
|
(b)
|
(c)
|
(d)
|
Light from sodium lamp is passed through cold sodium vapours, the spectrum of transmitted light consists of
|
(a) A line at 5890 Å |
(b) A line at 5896 Å |
|
(c) Sodium doublet lines |
(d) No spectral features |
In an apparatus, the electric field was found to oscillate with an amplitude of 18 V/m. The magnitude of the oscillating magnetic field will be
|
(a) 4 |
(b) 6 |
(c) 9 |
(d) 11 |
