- AIsothermals
- BIsotopes
- CIsotropics
- DElementary particles
Explanation:
Isotopes are atoms of the same element having the same numbers of protons, but different numbers of neutrons. They have same chemical properties due to the same electronic configuration but different physical properties.
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$\frac{1}{4}\text{mgR}$
$\frac{1}{2}\text{mgR}$
$\text{mgR}$
$2\text{mgR}$
In double slits experiment, for light of which colour the fringe width will be minimum
|
(a) Violet |
(b) Red |
(c) Green |
(d) Yellow |
Two wires of the same material and equal length are joined in parallel combination. If one of them has half the thickness of the other and the thinner wire has a resistance of 8 ohms, the resistance of the combination is equal to
|
(a) |
(b) |
(c) |
(d) |
The value of angle of dip is zero at the magnetic equator because on it
|
(a) V and H are equal |
(b) The value of V and H is zero |
|
(c) The value of V is zero |
(d) The value of H is zero |
Three capacitors are connected to D.C. source of 100 volts shown in the adjoining figure. If the charge accumulated on plates of
and
are
and
respectively, then

|
(a) |
(b) |
|
(c) |
(d) |
The mutual inductance between a primary and secondary circuits is 0.5 H. The resistances of the primary and the secondary circuits are 20 ohms and 5 ohms respectively. To generate a current of 0.4 A in the secondary, current in the primary must be changed at the rate of
|
(a) 4.0 A/s |
(b) 16.0 A/s |
(c) 1.6 A/s |
(d) 8.0 A/s |

A spherical conductor of radius 2m is charged to a potential of 120 V. It is now placed inside another hollow spherical conductor of radius 6m. Calculate the potential to which the bigger sphere would be raised
|
(a) 20 V |
(b) 60 V |
(c) 80 V |
(d) 40 V |