Sound waves transmit 2000 J of energy through area of 10m2 in 5 sec, the intensity of sound in watt/m2 is?
a) 8 b) 4 c) 40 d) 16
please with explanation!
a) 8 b) 4 c) 40 d) 16
please with explanation!
1 Answer
Apr 8, 2018
Explanation:
Intensity
#"I" = "P"/"A"#
where,
#"P ="# Power#"A ="# Area