Physics Dawn of Modern Physics SZABMU 2022
PMDC Verified Question 28 of 52
Which photons carriers the most energy?
A
Violet
B
Blue
C
Red
D
Green
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option A: Violet
Concept:

The energy of a photon in the visible spectrum is dictated inversely by its wavelength.

Formula:

$$ E = \frac{hc}{\lambda} $$

Solution:

  • The standard visible spectrum colors in decreasing wavelength (increasing energy) order are: Red, Orange, Yellow, Green, Blue, Indigo, Violet.


  • Violet has the shortest wavelength (\( \approx 380 \text{ nm} \)) and the highest frequency.


  • Therefore, violet photons carry the maximum discrete energy.


Why other options are incorrect:

Red light has the lowest energy, while green and blue fall in the intermediate energy ranges.

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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