The dark lines in the solar spectrum are due to
1 Absorption of corresponding wavelengths by the prism used
in he
spectrograph
2 Destructive interference between waves of certain definite
wavelengths
3 Absorption of corresponding wavelengths by the outer
layers of the sun
4 None of these
Answer / guest
(3) Absorption of corresponding wavelengths by the outer
layers of
the sun
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The foul smell of rancid butter is due to (a) Butyric acid (b) Caproic acid (c) Stearic acid (d) Palmitic acid
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The main constituent of haemoglobin is ? a) Iron b) Magnesium c) Calcium d) Chlorine
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