21it should be option b
Rohit Ghosh I ALSO GAVE THIS DIDN'T YOU NOTICE IT?Upvote·0· Reply ·2013-08-09 01:06:34
If ultrasonic, infrasonic and audio waves travel through a medium with speed v1 v2 and v3 respectively, then
v1 = v2 = v3
v1 > v3 > v2
v1 < v3 < v2
v3 ≤ v1 and v1= v3
Your Answer
b
Correct Answer
a
3 WAVES HAVE DIFFERENT FREQUENCY AND WAVELENGTH.VELOCITY IS FREQUENCY AND WAVELENGTH DEPENDENT THEN WHY ALL ARE SAME?
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1 Answers
21