Which of the following are both mechanical and transverse...
Which of the following are both mechanical and transverse?
infra-red rays
gamma rays
sound waves
water waves
micro waves
Correct answer is D
No explanation has been provided for this answer.
A capacitor of capacitance 25μF is connected to an a.c. power source of frequency 200 Hz. Calcula...
Which of the following factors affects the speed of sound in air? i. Temperature ii. pressure i...
Which of the following is TRUE of light and sound waves? ...
Which of the following features of an electrostatic line of force is not correct? ...