To hear a distinct echo, the time interval between the original sound and…
PYQ SSC JE (Junior Engineer) 2018
To hear a distinct echo, the time interval between the original sound and reflected sound must be atleast ______.
- A.
0.1 seconds
- B.
0.2 seconds
- C.
0.3 seconds
- D.
0.4 seconds
Attempted by 15 students.
Sign up free to check your answer
Sign up freeLoading lesson…