Question
The average score of A, B and C in a test is 78 and that
of C, D and E is 52. The average score of E and F is 48 and that of E and C is 60. What is the average score of A, B, C, D E and F?Solution
The correct answer is D
A pond of water appears less deep due to –
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When white light passes through a glass prism, which color deviates the least?
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In an experimental arrangement of a Fresnel's biprism, monochromatic light of wavelength 2. is used to produce interference fringe pattern. On introduc...
Parsec is the unit of
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(ii) Steam engin...
What happens to the electrostatic force between two charges when the distance between them decreases?
