2m
4m
1m
3m
Correct answer is C
If F = 85.5Hz, V = 342ms-1,
Then wavelength = V/F = 342/85.5 = 4m
Then if wavelength = 4m
=> wavelength/2 = 4/2 = 2m = NN,
Thus NA = wavelength/4 = 4/4 = 1m.
Which of the following is/are TRUE of nuclear fission? I. A heavy nucleus is split into two nucl...
In the diagram above, the direction of the force between N and S in the magnetic field is ...
If the fraction of the atoms of a radioactive material left after 120years is 164, what...
If an object just begins to slide on a surface inclined at 30º to the horizontal,the coeff...
The amount of heat required to raise the temperature of a body is ...