Estimate how many photons of yellow light (λ = 575 nm) must be absorbed by 1.0 cm3 of human skin to raise the skin temperature by 1.0 °C. Assume that the photon energy is absorbed by 1.0 cm3 of tissue. As rough estimates of the tissue's density and specific heat, use the values for water.

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

1.3 x 1019

1.1 x 1019

1.4 x 1019

1.2 x 1019

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

ms∆T=E ; Vds ∆T=nhcλn=VdsΔTλhc =10-6×103×4200×1×575×10-96.6×10-34×3×108 =1.2×1019

Watch 3-min video & get full concept clarity