MCQOPTIONS
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MCQOPTIONS
| 1. |
Ultrasonic, Infrasonic and audible waves travel through a medium with speeds \[{{V}_{u}},\,{{V}_{i}}\] and \[{{V}_{a}}\] respectively, then [CPMT 1989] |
| A. | \[{{V}_{u}},\,{{V}_{i}}\] and \[{{V}_{a}}\] are nearly equal |
| B. | \[{{V}_{u}}\ge {{V}_{a}}\ge {{V}_{i}}\] |
| C. | \[{{V}_{u}}\le {{V}_{a}}\le {{V}_{i}}\] |
| D. | \[{{V}_{a}}\le {{V}_{u}}\] and \[{{V}_{u}}\approx {{V}_{i}}\] |
| Answer» B. \[{{V}_{u}}\ge {{V}_{a}}\ge {{V}_{i}}\] | |