NEET Physics de Broglie Wavelength Assertion Reason Question
Assertion (A): The de Broglie wavelength of a macroscopic object is typically unmeasurable. | Reason (R): For macroscopic objects, the momentum is so large that the associated de Broglie wavelength becomes extremely small.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
The NCERT context states that macroscopic objects have a large momentum, making their de Broglie wavelength extremely small and beyond measurement, explaining why they don't show wave-like properties.
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