Question:
What is the unit for measuring the amplitude of sound?
ADecibel
BCoulomb
CHertz
DNewton
Answer:
A. Decibel
Explanation:
7 Basic SI Units:
Length (l) – Meter (m)
Mass (M) - Kilogram (kg)
Time (T) - Second (s)
Electric current (I) - Ampere (A)
Thermodynamic temperature (Θ) - Kelvin (K)
Amount of substance (N) - Mole (mol)
Luminous intensity (J) – Candela (cd)
SI Derived Units:
Force, Weight - Newton (N)
Frequency – Hertz (Hz)
Electric charge - Coulomb (C)
Electric potential (Voltage) - Volt (V)
Inductance - Henry (H)
Capacitance – Farad (F)
Resistance, Impedance, Reactance - Ohm (Ω)
Electrical conductance - Siemens (S)
Magnetic flux – Weber (Wb)
Magnetic flux density - Tesla (T)
Energy, Work, Heat – Joule (J)
Power, Radiant flux – Watt (W)