- Aerect
- ✓inverted
- Cdistorted
- Dnone of these
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In Young’s double slit experiment, the intensity of light coming from the first slit is double the intensity from the second slit. The ratio of the maximum intensity to the minimum intensity on the interference fringe pattern observed is
|
(a) 34 |
(b) 40 |
(c) 25 |
(d) 38 |
A radioactive substance emits
|
(a) Electromagnetic radiation |
(b) Electrons revolving around the nucleus |
|
(c) Charged particles |
(d) a,c |
In a circuit with a coil of resistance 2 ohms, the magnetic flux changes from 2.0 Wb to 10.0 Wb in 0.2 second. The charge that flows in the coil during this time is
|
(a) 5.0 coulomb |
(b) 4.0 coulomb |
(c) 1.0 coulomb |
(d) 0.8 coulomb |
In an electromagnetic wave, the electric and magnetising fields are 100
and
The maximum energy flow is
|
(a) |
(b) |
(c) |
(d) |