In which of the following ways, absorption is related to transmittance?
A. Absorption is the logarithm of transmittance
B. Absorption is the reciprocal of transmittance
C. Absorption is the negative logarithm of transmittance
D. Absorption is a multiple of transmittance
Answer:C
In which of the following ways, absorption is related to transmittance?
A. Absorption is the logarithm of transmittance B. Absorption is the reciprocal of transmittance C. Absorption is the negative logarithm of transmittance D. Absorption is a multiple of transmittance
Explanation: Transmittance is the ratio of the radiant power transmitted by a sample to the radiant power incident on the sample. Absorption is the negative logarithm of transmittance.