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Which principle suggests that the intensity of light determines its amplitude?

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in Physics – Class 12 by (135k points)
Which principle suggests that the intensity of light determines its amplitude?

(a) Huygens principle

(b) Classic wave theory

(c) de – Broglie hypothesis

(d) Einstein’s particle theory

This question was addressed to me during an interview for a job.

I'm obligated to ask this question of Photoelectric Theory and Wave Theory of Light in division Dual Nature of Radiation and Matter of Physics – Class 12

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The correct answer is (b) Classic wave theory

Explanation: The principle is the classic wave theory. The classic wave theory states that the intensity of light determines the amplitude of the wave. Therefore, a greater intensity of light will cause the electrons on the metal to oscillate more violently and also to be ejected with greater kinetic energy.

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