Which of the following statements about Sir Syed Ahmad Khan is/are correct?

1) He argued that India was federation of ethnic communities based on common descent.
2) His Philosophy was very similar to that of the Indian National Congress.
3) He imagined India as a Nation State based on individual citizen’s rights.
4) The curriculum at the Mohammedan Anglo-Oriental College blended Muslim theology and European empiricism.
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Consider the following statements about Impact of tax

1) A tax is shifted forward to Consumers if the demand is inelastic relative to supply.
2) A tax is shifted backward to producers if the supply is relatively more inelastic than demand.
Which of the statements given above is/are correct?

According to the law of diminishing marginal utility, as the amount of a good consumed increases, the marginal utility or that good tends to

The optical phenomenon that is responsible for the propagation of light signal through an optical fibre is ?

Which of the following statements about optical microscope is/are correct? 

1) Both the eyepiece and objective of a microscope are convex lenses.
2) The magnification of a microscope increases with increase in focal length of the objective.
3) The magnification of a microscope depends upon the length of the microscope tube.
4) The eyepiece of a microscope is a concave lens.
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