- AIncreases.
- BDecreases.
- CRemains the same.
- DVaries in a way that depends on the actual value of A.
Explanation:
Binding energy per nucleon in a nucleus first increases with increasing mass number (A) and reaches a maximum of 8.7MeV for A (50 - 80). Then, again it slowly starts decreasing with the increase in A and drops to the value of 7.5MeV.
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Larger aperture of objective lens in an astronomical telescope:
The magnetic flux through a circuit of resistance R changes by an amount ∆∅ in time ∆t, Then the total quantity of electric charge Q, which passing during this time through any point of the circuit is given by
|
(a) Q = |
(b) Q = |
(c) Q = |
(d) Q = |
The symbol given in figure represents

|
(a) NPN transistor |
(b) PNP transistor |
|
(c) Forward biased PN junction diode |
(d) Reverse biased NP junction diode |
A vibration magnetometer consists of two identical bar magnets placed one over the other such that they are perpendicular and bisect each other. The time period of oscillation in a horizontal magnetic field is seconds. One of the magnets is removed and if the other magnet oscillates in the same field, then the time period in seconds is
|
(a) |
(b) |
(c) 2 |
(d) |