Which from the following is true for “Sound”?
A. Sound cannot travel through a vaccum
B. Sound cannot travel through gases
C. Sound cannot travel through liquids
D. Sound cannot travel through solids
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A. Sound cannot travel through a vaccum
B. Sound cannot travel through gases
C. Sound cannot travel through liquids
D. Sound cannot travel through solids
A. motor
B. generator
C. moving-coil meter
D. Battery
A. also decrease
B. increase
C. remains constant
D. none of these
A. Concave
B. Convex
C. Diverging
D. None of these