A microscope using suitable photons is employed to locate an electron in an atom within a distance of 0.1 Å. The uncertainty involved in the measurement of its velocity is :
1. 5.79×106 m s–1
2. 57.9×106 m s–1
3. 5.79×107 m s–1
4. 57.9×107 m s–1
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA golf ball has a mass of 40g, and a speed of 45 m/s. If the speed can be measured within the accuracy of 2%, the uncertainty in the position is:
1. 14.6×10–23 m
2. 14.6×10–33 m
3. 1.46×10–23 m
4. 1.46×10–33 m
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology