'Goldman Awards' are given for outstanding contribution in which of the following fields
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Who introduced gold coins for the first time in India?
Simpson and Harrison are associated with the invention of
Rearrange the parts of the sentence in correct order:
Guardians of
P-the tyranny of the stateQ-four square againstR-intellectual liberty must stand
Which group in the modern periodic table contains elements that are inert gases?
A universal recipient belongs to the blood group
Rearrange the parts of the sentence in correct order.
To begin with,
P-is not that they are 'unsmart'Q-the problem with Indian citiesR-but that they are dysfunctional
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.