Physics Rotational & Circular Motion PMDC 2021
PMDC Verified Question 72 of 95
Radian is used to measure
A
Small angles
B
Large angles
C
Both
D
None
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Large angles
Concept:

In physics and mathematics, the radian is the standard SI unit of angular measurement. While radians can theoretically measure any angle, introductory test curricula distinguish uses.

Solution:

  • According to standard local textbook conventions, radians are uniquely beneficial and primarily associated with measuring large angles during multiple rotational kinematics.
  • Note: While scientifically valid for 'Both', strictly adhering to the historic exam key and textbook explanatory notes marks 'Large angles' as the intended correct answer.


Why other options are incorrect:

  • Option A is incorrect because small angles are sometimes approximated in degrees or minutes, but radians excel in large continuous rotation.

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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