A rainbow is formed when sunlight is incident on water dr...
A rainbow is formed when sunlight is incident on water droplets suspended in the air due to
interference
refraction
dispersion
diffraction
Correct answer is C
No explanation has been provided for this answer.
The force on a current carrying conductor in a magnetic field is greatest when the ...
In which of the following states of matter do the molecules vibrate about their mean positions? ...
A 40W instrument has a resistance 90 Ohms. On what voltage should it be operated normally ...
Which of the following is an essential physical property of the wires uses for making fuses ? ...