The following diagrams show waves of equal frequency that are travelling through

Question

The following diagrams show waves of equal frequency that are travelling through various media. While the frequencies are all equal, the wavelength (Lambda) and amplitude (A) may be different and are provided for each of the waves shown. Rate each of the waves from slowest to fastest. (If two have an exactly equal speed then list them alphabetically.) Rate the waves by the amount of energy contained in the wave from least energy to most energy, (if two are exactly equal then list them alphabetically.)

Explanation / Answer

here,

energy of wave , E = h * /lamda

lamdaA = 3 m

lamdaB = 2 m

lamdaC = 2 m

lamdaD = 4 m

lamdaE = 6 m

lamdaF = 5 m

a)

as v = lamda * f

so,

( vC = vB) < vA < vD < vF < vE

b)

energy of wave , E = h * /lamda

EE < EF < ED < EA < ( EC = EB)

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