Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which of the following statements about the dual nature of matter and radiation is correct?
A
The wave nature of light was established by Hertz's experiments on electromagnetic waves.
B
Electrons can only be emitted from a metal surface through thermionic emission.
C
X-rays were discovered before the electron was identified.
D
Sufficient thermal energy is the only method for enabling electron emission from metals.
Correct Answer
Option A
Detailed Explanation
Hertz's experiments confirmed the wave nature of light, while other statements either misrepresent the emission processes or the historical timeline of discoveries.
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