Physics Dawn of Modern Physics PMDC 2021
PMDC Verified Question 37 of 52
Photon is made up _ quarks
A
Basons
B
No quark
C
Quarks in hadrons
D
Masons
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: No quark
Concept:

In the Standard Model of particle physics, fundamental particles are categorized by their interactions and internal structures.

Formula:

N/A

Solution:

  • Quarks combine to form composite particles called hadrons (like protons and neutrons).


  • A photon is a gauge boson responsible for mediating the electromagnetic force.


  • It is a massless, fundamental, elementary particle with no internal structure or constituent quarks.


Why other options are incorrect:

Photons are gauge bosons, not composite "basons" (bosons) made of quarks. Mesons (spelled here as "Masons") contain a quark and an antiquark, which does not apply to light.

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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