Wave OpticsMedium
Question
for the wavelength of 5000
, the principal focal length of the zone plate is 12cm. For a wavelength
λ = 6000
its value will be :
, the principal focal length of the zone plate is 12cm. For a wavelength λ = 6000
its value will be :Options
A.12 cm
B.10 cm
C.6 cm
D.14.4 cm
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