- ✓Increases
- BDecreases
- CRemains constant
- DNone of these
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$\frac{\text{L}}{\text{T}}$
$\frac{\text{T}}{\text{L}}$
$\frac{\text{L}^2}{\text{T}^2}$
$\frac{\text{T}^2}{\text{L}^2}$
Substances in which the magnetic moment of a single atom is not zero, is known as
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(a) Diamagnetism |
(b) Ferromagnetism |
(c) Paramagnetism |
(d) Ferrimagnetism |
A star moves away from earth at speed 0.8 c while emitting light of frequency 6 . What frequency will be observed on the earth (in units of 1014 Hz) (c = speed of light)
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(a) 0.24 |
(b) 1.2 |
(c) 30 |
(d) 3.3 |
Four capacitors are connected as shown in the equivalent capacitance between the points P and Q is
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(a) 4 μF |
(b) |
(c) |
(d) |
Assertion : Inductance coil are made of copper.
Reason : Induced current is more in wire having less resistance.
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
|
(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
|
(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |