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Q. |
Which term is not associated with sound wave? |
A. | Hertz |
B. | Decibel |
C. | Candela |
D. | Mach |
Answer» C. Candela | |
Explanation: Candela is the standard unit of luminous intensity, the luminous power per unit solid angle emitted by a point light source in a particular direction, in the International System of Units. The word candela means candle in Latin. |
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