The voltage V and current I graph for a conductor at two different temperatures 
and 
are shown in the figure. The relation between and is
|
(a) |
(b) |
(c) |
(d) |
(a) 
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
In a double slit experiment, instead of taking slits of equal widths, one slit is made twice as wide as the other. Then in the interference pattern
|
(a) The intensities of both the maxima and the minima increase |
|
(b) The intensity of maxima increases and the minima has zero intensity |
|
(c) The intensity of maxima decreases and that of the minima increases |
|
(d) The intensity of maxima decreases and the minima has zero intensity |
If a white light is used in Young’s double slit experiments then a very large number of coloured fringes can be seen
|
(a) With first order violet fringes being closer to the central white fringes |
|
(b) First order red fringes being closer to the central white fringes |
|
(c) With a central white fringe |
|
(d) With a central black fringe |
The potential difference between point A & B is
|
(a) |
(b) |
(c) |
(d) 0 |
$0$
$\delta$
$2\delta$
$3\delta$
The potential energy of a particle of mass m is given by
U(x) = 
l1 and l2 are the de-Broglie wavelengths of the particle, when 0 £ x £ 1 and x > 1 respectively. If the total energy of particle is 2E0, the ratio 
will be
|
(a) 2 |
(b) 1 |
(c) |
(d) |
A reaction between a proton and 
that produces 
must also liberate
|
(a) |
(b) |
(c) |
(d) |
