1.

A body is projected vertically upwards from the surface of a planet of radius R with a velocity equal to half the escape velocity for that planet. The maximum height attained by the body is [KCET (Engg./Med.) 2002]

A. R/3  
B. R/2
C. Square of the magnetic field produced due to each of the wires
D. R/5
Answer» B. R/2


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