Correct answer
B. Acoustics
Explanation
Acoustics is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
The tides raise the mater in the see roughly in a day___________________?
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________?
How many electrons per second constitute a current of one micro ampere?
Time rate of change of momentum is equal to____________________?
Pair production cannot take place in a vacuum as ________________?
Production of heat due to an electric current flowing through a conductor is given by _________________?