NEET Physics Mathematical Tools Questions Solved


The gravitational field due to a mass distribution is given by I= kx2i^, where k is a constant. Assuming the potential to be zero at infinity, find the potential at a point x = a. [This question is only for Dropper and XII batch]

1. ka2

2. -ka2

3. ka

4. -ka

Concept Videos :-

#16 | Calculus: Differential Equation
#19 | Numericals

Concept Questions :-

We know, 

dV=-I.dr         dV=-kx2dx         dV=-k dxx2            V=kx+C

When x = , V=0  C=0

  V=kx        At x = a, V= ka

Difficulty Level:

  • 5%
  • 18%
  • 66%
  • 14%
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