Three equal capacitors, each with capacitance C are connected as shown in figure. Then the equivalent capacitance between A and B is
|
(a) C |
(b) 3C |
(c) |
(d) |
(b) 3C
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Approximate height of ozone layer above the ground is
|
(a) 60 to 70 km |
(b) 59 km to 80 km |
(c) 70 km to 100 km |
(d) 100 km to 200 km |
In a wave, the path difference corresponding to a phase difference of f is
|
(a) |
(b) |
(c) |
(d) |
A mark at the bottom of a liquid appears to rise by 0.1 m. The depth of the liquid is 1 m. The refractive index of the liquid is
|
(a) 1.33 |
(b) |
(c) |
(b) 1.5 |
The stopping potential (
|
(a) Depends upon the angle of incident light |
|
(b) Depends upon the intensity of incident light |
|
(c) Depends upon the surface nature of the substance |
|
(d) Is independent of the intensity of the incident light |
An electron of mass 
initially at rest moves through a certain distance in a uniform electric field in time 
. A proton of mass 
also initially at rest takes time 
to move through an equal distance in this uniform electric field. Neglecting the effect of gravity, the ratio of 
is nearly equal to
|
(a) 1 |
(b) |
(c) |
(d) 1836 |
