- A8MeV
- B8.8MeV
- C7.6MeV
- D1.1MeV
Explanation:
The average binding energy per nucleon is just the total binding energy divided by the number of nucleons. If we consider Na atom, its binding energy is 194MeV.
Its binding energy per nucleon is given by $\frac{194\text{MeV}}{24}$
= 8.08MeV
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The electric intensity due to a dipole of length 10 cm and having a charge of 500μC, at a point on the axis at a distance 20 cm from one of the charges in air, is
|
(a) 6.25 |
(b) 9.28 |
(c) 13.1 |
(d) |
For a transistor, in a common emitter arrangement, the alternating current gain b is given by
|
(a) β = |
(b) β = |
(c) β = |
(d) β = |
$0$
$\delta$
$2\delta$
$3\delta$
Half life of a radioactive substance is T. The time taken for all the nuclei to disintegrate will be
|
(a) 2T |
(b) T2 |
(c) 4T |
(d) Uncertain |
The formula for induced e.m.f. in a coil due to change in magnetic flux through the coil is (here A = area of the coil, B = magnetic field)
|
(a) e = - A. |
(b) e = -B. |
(c) e = - |
(d) e = - |