Which of the following wave is electromagnetic?
...Which of the following wave is electromagnetic?
x-rays
sound waves
water waves
tidal waves
Correct answer is A
No explanation has been provided for this answer.
Which of the following components is NOT contained in a dry cell? A ...
Which of the following actions will improve the efficiency of the pulley system? ...
which of the following pairs of physical quantities comprises vectors? ...
Which process is responsible for production of energy in stars? ...