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The wave nature of matter is what prevents atoms from collapsing and gives atoms their sizes.
Assertion: The wave nature of matter is what prevents atoms from collapsing and gives atoms their sizes.
Reason: Only those orbits where the circumference of the orbit is an integral multiple of de Broglie wavelength exist or are “allowed.” And it is not possible lower than the lowest orbit in an atom.
- (a)Both Assertion and Reason are true, and Reason is the correct explanation for Assertion.
- (b)Both Assertion and Reason are true, but Reason is not the correct explanation for Assertion.
- (c)Assertion is true, and Reason is false.
- (d)Both Assertion and Reason are false.
Answer
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From ISC 2025 Practice Physics, question 25.