Which of the following is not a part of the electro-magne...
Which of the following is not a part of the electro-magnetic spectrum?
x-rays
microwaves
infrared radiation
alpha rays
Correct answer is D
No explanation has been provided for this answer.
A ray of light traveling from glass into ethyl alcohol is incident at the boundary at an angle ...
Which of the following factors affects the speed of sound in air? i. Temperature ii. pressure i...
Temperature is the measure of the ...
Which of the following statements about wave is not correct? i. A wavefront is a line which conta...
The parts of a bar magnet at which the magnetic effect is strongest are called the ...