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Friday, 9 October

NEET UG 2020 · Physics · Question 143

NEET 2020 Physics, question 143

Question 143 of the NEET 2020 paper (code E1) is a Physics question from Gravitation. Its idea, Variation of g and Force with Height, was asked 3 times, in 2017, 2020 and 2025, across NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q143 · Physics

A body weighs 72 N on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth ?

  1. 148 N
  2. 232 NOfficial answer
  3. 330 N
  4. 424 N

Official answer: option 2 · NTA final answer key

Same idea

Variation of g and Force with Height, in other papers

NEET asked this idea 3 times, in 2017, 2020 and 2025. The other 2 questions below.

  • 2025 Q32A body weighs 48 N on the surface of the earth. The gravitational force experienced by the body due to the earth at a height equal to…Numerical · Easy
  • 2017 Q25The acceleration due to gravity at a height 1 km above the earth is the same as at a depth d below the surface of earth. Then :Numerical · Easy

Variation of g and Force with Height: every question and how it was framed

The chapter

Gravitation in ten years of NEET

19 questions from 2017–2026, asked in 10 of 10 papers, about 1.8 a paper. Gravitation alone had 19.

Gravitation: questions per paper

0242’172’182’191’202’212’222’232’242’252’26