- ANewton
- BKilojoule
- CeV
- DV
Explanation:
Work function in generally expressed in electron volt.
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The rate of disintegration was observed to be
disintegrations per sec when its half life period is 1445 years. The original number of particles are
|
(a) 8.9 |
(b) 6.6 |
(c) 1.4 |
(d) 1.2 |
What happens to the force between magnetic poles when their pole strength and the distance between them are both doubled
|
(a) Force increases to two times the previous value |
|
(b) No change |
|
(c) Force decreases to half the previous value |
|
(d) Force increases to four times the previous value |
In helium nucleus, there are
|
(a) 2 protons and 2 electrons |
(b) 2 neutrons, 2 protons and 2 electrons |
|
(c) 2 protons and 2 neutrons |
(d) 2 positrons and 2 protons |
The transverse nature of light is shown by
|
(a) Interference of light |
(b) Refraction of light |
(c) Polarisation of light |
(d) Dispersion of light |
A white screen illuminated by green and red light appears to be
|
(a) Green |
(b) Red |
(c) Yellow |
(d) White |