Who introduced gold coins for the first time in India?
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The relative density of a substance is the ____.
India’s first geothermal field development project is to be established in which state/UT?
Simpson and Harrison are associated with the invention of
The constitution of India refers to the budget as the ______.
A universal recipient belongs to the blood group
A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :
1λ=1λ1+1λ2
1355=1680+1λ2
1λ2=680-355680×355
⇒λ2=743nm.
Which of the following statements is INCORRECT?
I) Bleaching powder is a pale yellow powder
II) Dry NH3 gas turns red litmus blue
III) The pH of rain water is nearly 7
IV) The pH of acid rain is nearly 5.6