Question
Mon November 26, 2012 By: Sree Harsha

why does the light pass through tip of figers while it does'nt pass trough remaining body??(it means when we keep torch at the tip of your finger you observe that at the tip of your finger will glow red{perform practically})

Expert Reply
Tue December 04, 2012
The light shines through the translucent skin layers at the top pf the fingers, picking up the red color of your blood vessels.
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