Who invented the bifocal glasses?
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Who won Nobel prize for Physics in 2015?
To whom the Nobel Prize in Physiology or Medicine 2016 was awarded?
The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.
A nation’s progress
A-requires many policies, many
B-on many fronts
C-plans, and actions
In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.
What is the reason for formation of Mirage in desert?
The absolute refractive index of air is
In a food chain, what is the difference between primary consumers and secondary consumers?