Correct option is C
The correct answer is: (c) It is unitless.
Explanation:
Transmittance (T) is the ratio of the intensity of transmitted light to the intensity of incident light. Since it's a ratio of two quantities with the same units,
Transmittance (T) is the ratio of the intensity of transmitted light to the intensity of incident light. Since it's a ratio of two quantities with the same units,
the resulting value is unitless. It is often expressed as a decimal or a percentage.
Information Booster:
Transmittance (T) = I / I₀, where I = transmitted light, I₀ = incident light.
Related to absorbance (A) by: A = -log₁₀(T).
Used in UV-Visible spectroscopy to analyze substances.
A transmittance of 100% means no absorption of light.
Commonly used in optical and chemical analysis.
Absorbance, unlike transmittance, is logarithmic and also unitless.
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