- ANuclear fission
- BNuclear fusion
- CNuclear fission & fusion
- DNuclear decay
Explanation:
Stellar and solar energy is due to fusion reactions. So, source of stellar energy is Nuclear fusion.
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When two deuterium nuclei fuse together to form a tritium nuclei, we get a
|
(a) Neutron |
(b) Deutron |
(c) α - particle |
(d) Proton |
In the circuit given, the correct relation to a balanced Wheatstone bridge is
|
(a) |
(b) |
(c) |
(d) None of these |
The equivalent resistance of resistors connected in series is always
|
(a) Equal to the mean of component resistors |
|
(b) Less than the lowest of component resistors |
|
(c) In between the lowest and the highest of component resistors |
|
(d) Equal to sum of component resistors |
An air core solenoid has 1000 turns and is one metre long. Its cross-sectional area is 10 cm2. Its self inductance is
|
(a) 0.1256 mH |
(b) 12.56 mH |
(c) 1.256 mH |
(d) 125.6 mH |
A radioactive nucleus with Z protons and N neutrons emits an a-particle, 2b-particles and 2 gamma rays. The number of protons and neutrons in the nucleus left after the decay respectively, are
|
(a) Z – 3, N – 1 |
(b) Z – 2, N – 2 |
(c) Z – 1, N – 3 |
(d) Z, N – 4 |
A person using a lens as a simple microscope sees an: