Answer:
it is an upside-down image but the brain realizes it and corrects it in its orientation so we see it in right direction.
Answer:
the detection of the equivalence point, the point at which chemically equivalent amounts of the reactants have been mixed.
Answer:
Explanation:
Given
Length of each wire 
On wire A second harmonic frequency is given by

where f=frequency
v=velocity of wave
L=length of wire


For wire B third harmonic is given by


