Q. The amplitude of a wave is given by $A$ $= \frac{c}{a + b + c}$ . Resonance will occur when
A) $b = - \frac{c}{2}$
B) $b = - \frac{a}{2}$
C) $b = 0,a = c\ $
D) None of these
Explanation
(c) Resonance occurs when amplitude is maximum$ie$, when the denominator of this equation is minimum.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.