The correct curve between voltage gain (
and load resistance (
is
(a)
|
(b)
|
(c)
|
(d)
|
The correct curve between voltage gain (
and load resistance (
is
(a)
|
(b)
|
(c)
|
(d)
|

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Potential at a point x-distance from the centre inside the conducting sphere of radius R and charged with charge Q is
|
(a) |
(b) |
(c) |
(d) xQ |
The curves (a), (b) (c) and (d) show the variation between the applied potential difference (V) and the photoelectric current (i), at two different intensities of light (I1 > I2). In which figure is the correct variation shown
|
(a)
|
(b)
|
(c)
|
(d)
|
The mass and energy equivalent to 1 a.m.u. respectively
|
(a) 1.67 |
(b) 1.67 |
|
(c) 1.67 |
(d) 1.67 |
A thin lens with focal length f to be used as magnifying glass. Which of the following statements regarding the situation is true?
Energy conversion in a photoelectric cell takes place from
|
(a) Chemical to electrical |
(b) Magnetic to electrical |
|
(c) Optical to electrical |
(d) Mechanical to electrical |

In a parallel plate condenser, the radius of each circular plate is 12 cm and the distance between the plates is 5mm. There is a glass slab of 3mm thick and of radius 12 cm with dielectric constant 6 between its plates. The capacity of the condenser will be
|
(a) 144 |
(b) 40 pF |
(c) 160 pF |
(d) 1.44 μF |