WASSCE PHYSICS MAY/JUNE 2018 (SSCE WAEC MAY/JUNE 2018 PHYSICS)
WASSCE PHYSICS MAY/JUNE 2018 (SSCE WAEC MAY/JUNE 2018 PHYSICS)
1. The S.I unit for sound energy is
A. Hz
B. cd
C. dB
D. J
2. The general definition of elastic modulus is
A. stress/strain
B. strain/stress
C. stress × strain
D. $\sqrt{{stress}/{strain}\;}$
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