IIT-JEE Exam

If the units of length and force are increased
four times, then the unit of energy will
(A) increase 8 times
(B) increase 16 times
(C) decreases 16 times
(D) increase 4 times

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IIT-JEE Other Question

Choose the correct statement (s)
(A)all quantities may be represented
dimensionally in terms of the base
quantities
(B) all base quantity cannot be represented
dimensionally in terms of the rest of the
base quantities
(C) the dimension of a base quantity in other
base quantities is always zero.
(D) the dimension of a derived quantity is
never zero in any base quantity If velocity (V), time (T) and force (F) were chosen
as basic quantities, find the dimensions of mass