GATE XE · 2020 · XE-C
Question 17: Properties and Applications of Materials
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Question 17
XE-CNAT2 marksNeeds review
The schematic diagram shows the light of intensity
incident on a material (shaded grey) of thickness,
, which has an absorption coefficient,
and reflectance,
. The intensity of transmitted light is
. The reflection of light (of a particular wavelength) occurs at both the surfaces (surfaces indicated in the diagram). The transmittance is estimated to be ______ (round-off to three decimal places).Given that for the wavelength used,
and
.
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2020XE-C
GATE XE 2020 · Paper 1
Engineering Sciences · Original paper archive
- Section
- Section XE-C
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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