- AFission
- BFussion
- CBoth
- DNone of these
Explanation:
Hydrogen bomb is based on nuclear fusion and hence hydrogen atoms combine to form Helium atoms.
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Assertion : The surface charge densities of two spherical conductors of different radii are equal. Then the electric field intensities near their surface are also equal.
Reason : Surface charge density is equal to charge per unit area.
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
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(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
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(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |
$\frac{\text{k}_1}{\text{k}_2}$
$\sqrt{\frac{\text{k}_1}{\text{k}_2}}$
$\frac{\text{k}_2}{\text{k}_1}$
$\sqrt{\frac{\text{k}_2}{\text{k}^1}}$
The rate of disintegration was observed to be
disintegrations per sec when its half life period is 1445 years. The original number of particles are
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(a) 8.9 |
(b) 6.6 |
(c) 1.4 |
(d) 1.2 |