Q can hear the sound made by P in the shortest time, when the medium is a ___________.
A Brick wall
B Water
C Air
D Vacuum
where is Q and P, picture is missing
Ans 2:
Edit Post
Class : Class 8
answer is B or C as from brick wall sound can't be heard also from vacuumsound can't be heard
Ans 5:
Edit Post
Aditya Sharma
from
DPSN, NOIDA
Class : Class 3
bjbhjhjkjkjlklklklklklkjkjklhioheeedededhhdhdhduehduehduehduehd