The amount of insurance cover provided by Indian Railways for passengers at a premium of Re. 1 is
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Which of the following is an example of social facilitation?
Which of the following devices converts Chemical energy into Electrical energy?
If I is the current through a wire and e is the charge of an electron, then the number of electrons crossing in t seconds will be given by
Which of the following is NOT based on principle of relationship between volume and pressure of air?
What is the value of acceleration due to gravity at the centre of earth?
Which of the following is the cleanest source of energy?
Who was the chief guest on the occasion of 69th Independence Day celebrations in India?