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The nuclear reaction 
(mass of deuteron = 2.0141 a.m.u. and mass of He = 4.0024 a.m.u.) is
|
(a) Fusion reaction releasing 24 MeV energy |
|
(b) Fusion reaction absorbing 24 MeV energy |
|
(c) Fission reaction releasing 0.0258 MeV energy |
|
(d) Fission reaction absorbing 0.0258 MeV energy |
In a photocell bichromatic light of wavelength 2475 Å and 6000 Å are incident on cathode whose work function is 4.8 eV. If a uniform magnetic field of 3 × 10–5 Tesla exists parallel to the plate, the radius of the path describe by the photoelectron will be (mass of electron = 9 × 10–31 kg)
|
(a) 1 cm |
(b) 5 cm |
(c) 10 cm |
(d) 25 cm |
In the shown arrangement of the experiment of the meter bridge if AC corresponding to null deflection of galvanometer is x, what would be its value if the radius of the wire AB is doubled
|
(a) x |
(b) x/4 |
(c) 4x |
(d) 2x |
The value of plate current in the given circuit diagram will be
|
(a) 3 mA |
(b) 8 mA |
(c) 13 mA |
(d) 18 mA |
| A | B | Y |
| 0 | 0 | 0 |
| 0 | 1 | 1 |
| 1 | 0 | 1 |
| 1 | 1 | 1 |
The induction coil works on the principle of
|
(a) Self-induction |
(b) Mutual induction |
|
(c) Ampere's rule |
(d) Fleming's right hand rule |
Magnetic intensity for an axial point due to a short bar magnet of magnetic moment M is given by
|
(a) |
(b) |
(c) |
(d) |
