In sum and difference method in vibration magnetometer, the time period is more if
| (a) Similar poles of both magnets are on same sides |
| (b) Opposite poles of both magnets are on same sides |
| (c) Both magnets are perpendicular to each other |
| (d) Nothing can be said |
(b) Opposite poles of both magnets are on same sides
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Charge on α -particle is
|
(a) |
(b) 1.6 |
(c) 3.2 |
(d) 6.4 |
Eight dipoles of charges of magnitude e are placed inside a cube. The total electric flux coming out of the cube will be
|
(a) |
(b) |
(c) |
(d) Zero |
The length of Milky way is
|
(a) 100,000 light years |
(b) 10,000 light years |
(c) 1000 light years |
(d) 100 light years |
The binding energy of nucleus is a measure of its
| (a) Charge | (b) Mass | (c) Momentum | (d) Stability |
If for a thermocouple 
is the neutral temperature, 
is the temperature of the cold junction and 
is the temperature of inversion, then
|
(a) |
(b) |
(c) |
(d) None of these |
