NEET Class neet Answered
LIGHT with a average flux of 20w/cm on a non reflecting surface at normal incidence having surface area 20cm cube the energy received by the surface during time span of 1 min is
Asked by begfatima123 | 06 May, 2022, 16:21: PM
Expert Answer
Intensity of light incident is given by
I = E/At
20 = E / (20 x 60)
E = 20 x 20 x 60 = 24 x 103 J
Answered by Shiwani Sawant | 06 May, 2022, 17:04: PM
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Asked by begfatima123 | 06 May, 2022, 16:21: PM
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