Physics Rotational & Circular Motion NUMS 2024
PMDC Verified Question 18 of 95
Angle swept by minute hand in one minute is:
A
\( 6^\circ \)
B
\( 36^\circ \)
C
\( 8^\circ \)
D
\( 20^\circ \)
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: \( 6^\circ \)
Concept:

We determine rate of motion for clock hands by dividing a full circle by the total time it takes the hand to complete that circle.

Formula:

$$ \text{Rate} = \frac{360^\circ}{T} $$

Solution:

  • A minute hand takes exactly 60 minutes to complete one full revolution around the clock face.
  • A full revolution is \( 360^\circ \).
  • Divide total angle by total time: \( \frac{360^\circ}{60 \text{ min}} = 6^\circ \text{ per minute} \).


Why other options are incorrect:

  • Option B would mean it finishes the circle in 10 minutes.
  • Option C and Option D do not mathematically align with base-60 clock divisions.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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