Physics-Photoelectric Effect

NEET Physics Photoelectric Effect MCQ Question

Type: MCQ-fact-Hard-Class 12

What was the outcome of Millikan's experiments on the photoelectric effect conducted between 1906 and 1916?

A

He proved the validity of Einstein's photoelectric equation.

B

He disproved Einstein's photoelectric equation.

C

He established the independence of photoelectric effect from light intensity.

D

He discovered the existence of light quanta.

Correct Answer

Option A

Detailed Explanation

Millikan aimed to disprove Einstein's photoelectric equation but instead proved its validity by measuring the slope for sodium and determining Planck's constant, which agreed with prior values.

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