

MCQOPTIONS
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1. |
Choose correct statements from the following:a. Sound waves travel faster in solids than in gases.b. Sound waves travel fastest through vacuumc. Sound waves are longitudinal wavesd. Sound waves travel slower in gases than in liquids. |
A. | a, c and d only |
B. | a and b only |
C. | c and d only |
D. | b and d only |
Answer» B. a and b only | |