The product of frequency and wavelength is ________.
A. Speed
B. Distance
C. Velocity
D. Current
The wavelength of wave is denoted by ________.
A. f
B. T
C. λ
D. K
Which color have greater wavelengths?
A. Green
B. Orange
C. Blue
D. Red
A. Speed
B. Distance
C. Velocity
D. Current
A. f
B. T
C. λ
D. K
A. Green
B. Orange
C. Blue
D. Red