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JEE Main 2023 (8 Apr, Shift 1) · Acceleration Due to Gravity

Acceleration Due to Gravity question from JEE Main 2023 (8 Apr, Shift 1)

Q60JEE Main 2023 · 8 APR · SHIFT 1Easy

Acceleration Due to Gravity

The weight of a body on the earth is 400 N400\text{ N}. Then weight of the body when taken to a depth half of the radius of the earth will be:

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Answer: (b)

  1. Weight at depth: Wd=W(1−dR)W_d = W\left(1 - \frac{d}{R}\right).
  2. d=R2⇒Wd=400×12d = \frac{R}{2} \Rightarrow W_d = 400 \times \frac{1}{2}
  3. So the answer is (b) 200 N200\text{ N}.
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