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Questions

Physics

Multiple Choice Question with Two or More Choices Correct
When a light wave is reflected from a mirror, there is no change in its

(a)	amplitude	(b)	frequency
(c)	wavelength	(d)	speed

Chemistry

Multiple Choice Question
Which of the following statements is correct?
(a) All compounds of silicon are collectively known as silicones
(b) Silicon hydrides are known as silicones
(c) Silicon halides are known as silicones
(d) Silicones are polymeric organosilicon compounds

Mathematics

If A > 0, B > 0 and A + B =

/3, then the maximum value of tan A tan B is ........... .

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