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VITEEE 2021 Solved Paper

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Question : 47

Total: 80

The position of both, an electron and a helium atom is known within 1.0‌nm. Further the momentum of the electron is known within 5.0 ×10−26‌kg‌ms−1. The minimum uncertainty in the measurement of the momentum of the helium atom is

50‌kg‌ms−1
80‌kg‌ms−1
8.0×10−26‌kg‌ms−1
5.0×10−26kgms−1

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