The diagram above illustrates the energy transitions of f...
The diagram above illustrates the energy transitions of five electrons of an atom. Which of the transitions will produce the emission of longest wavelength?
I
II
III
IV
Correct answer is A
No explanation has been provided for this answer.
The unit of inductance is the ...
A tap supplies water at 26°C while another supplies water at 82°C. If a man wishes to bathe ...
The main reason why a.c. is transmitted at very high voltage and low current is that ...
One special advantage of alcohol over mercury as a thermometric liquid is its? ...
Which of the following statements describes a body in a stable equilibrium correctly? ...
A lamp is rated 240V 60W, calculate the resistance of its filament ...