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Question No. 238Interactive Test Mode
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Q238. A boy standing at the point O in the given diagram throws a ball three times with the same force, but projecting it along different inclinations from the ground. The results of the throws have been plotted in the diagram. Which one of the following is a valid conclusion?

A boy standing at the point O in the given diagram throws a ball three times with the same force, but projecting it along different inclinations from the ground. The results of the throws have been plotted in the diagram. Which one of the following is a valid conclusion?

Official UPSC Question Diagram / Map
UPSC Prelims 1997 Science and Technology (Health & Medicine) Question 238 Diagram
Select the correct option below (or cross out options to eliminate)

Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 1997 • Science and Technology

Correct Answer: Option (D) — The larger the initial inclination, the greater the height reached

Concept & Option Breakdown

Standard Reference Verified

In projectile motion, the maximum height reached is given by $H = \frac{u^2 \sin^2\theta}{2g}$. As the angle of inclination $\theta$ increases, $\sin\theta$ increases, leading to a greater vertical height. Thus, the larger the initial inclination, the greater the height reached.

Elimination Heuristic & Exam Approach

Vertical velocity component $u_y = u\sin\theta$ strictly increases with angle $\theta$, directly increasing peak height.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 1997 (Q238)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicScience and Technology → Health & Medicine
Official Answer KeyOption (D) — The larger the initial inclination, the greater the height reached

Frequently Asked Questions — UPSC Prelims 1997 Q238

What is the official answer for UPSC Prelims 1997 GS Paper I Question 238 (Science and Technology)?

The official UPSC answer key for this 1997 Science and Technology (Health & Medicine) question is Option (D): "The larger the initial inclination, the greater the height reached". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 1997 question belong to?

This question belongs to GS Paper I under the subject "Science and Technology" and micro-topic "Health & Medicine". You can explore all repeated questions from Health & Medicine in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Health & Medicine UPSC Prelims question using option elimination?

Vertical velocity component $uy = u\sin\theta$ strictly increases with angle $\theta$, directly increasing peak height.

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