- AMilikan's oil drop experiment
- BThe Michelson-Morley experiment
- CYoung's double-slit experiment
- DLenz's proof of Lenz's law
Explanation:
Young's double slit experiment
The double slit experiment is a demonstration that light and matter can display characteristics of both classically defined waves and particles. Moreover it displays the fundamentally probabislistic nature of quantum mechanical phenomena.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
In a semiconductor
|
(a) There are no free electrons at any temperature |
|
(b) The number of free electrons is more than that in a conductor |
|
(c) There are no free electrons at 0 K |
|
(d) None of these |
A coil and a bulb are connected in series with a dc source, a soft iron core is then inserted in the coil. Then
|
(a) Intensity of the bulb remains the same |
(b) Intensity of the bulb decreases |
|
(c) Intensity of the bulb increases |
(d) The bulb ceases to glow |

Two metal spheres of capacitance
and
carry some charges. They are put in contact and then separated. The final charges
and
on them will satisfy
|
(a) |
(b) |
(c) |
(d) |
A current of 1 ampere is passed through a straight wire of length 2.0 metres. The magnetic field at a point in air at a distance of 3 metres from either end of wire and lying on the axis of wire will be
|
(a) |
(b) |
(c) |
(d) Zero |
If two + 5 D lenses are mounted at some distance apart, the equivalent power will always be negative if the distance is
|
(a) Greater than 40 cm |
(b) Equal to 40 cm |
|
(c) Equal to 10 cm |
(d) Less than 10 cm |
The plates of a parallel plate capacitor of capacity 50 μC are charged to a potential of 100 volts and then separated from each other so that the distance between them is doubled. How much is the energy spent in doing so
|
(a) 25 |
(b) -12.5 |
(c) -25 |
(d) 12.5 |