In the interference pattern, energy is
|
(a) Created at the position of maxima |
(b) Destroyed at the position of minima |
|
(c) Conserved but is redistributed |
(d) None of the above |
(c) Conserved but is redistributed
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Nuclear binding energy is equivalent to
|
(a) Mass of proton |
(b) Mass of neutron |
|
(c) Mass of nucleus |
(d) Mass defect of nucleus |
A bar magnet of length 3 cm has points A and B along its axis at distances of 24 cm and 48 cm on the opposite sides. Ratio of magnetic fields at these points will be
|
(a) 8 |
(b) 1/2 |
(c) 3 |
(d) 4 |
The output current versus time curve of a rectifier is shown in the figure. The average value of the output current in this case is
|
(a) 0 |
(b) i0/p |
(c) 2i0/p |
(d) i0 |
The condition for a uniform spherical mass m of radius r to be a black hole is [G = gravitational constant and g = acceleration due to gravity]
|
(a) |
(b) |
(c) |
(d) |
Which of the following is true for number of spectral lines in going form Layman series to Pfund series
|
(a) Increases |
(b) Decreases |
|
(c) Unchanged |
(d) May decreases or increases |
An air capacitor is connected to a battery. The effect of filling the space between the plates with a dielectric is to increase
|
(a) The charge and the potential difference |
(b) The potential difference and the electric field |
|
(c) The electric field and the capacitance |
(d) The charge and the capacitance |
