Physics
NECO 2004
What is the uncertainty in the measurement of time, if the uncertainty in measuring the energy of an electron of mass 10
-30 kg is 2.45 × 10
-19J? h = 6.6 × 10
-34
-
A.
1.35 ×10-15s
-
B.
2.69 × 10-15s
-
C.
4.15 × 10-15s
-
D.
9.05 × 10-15s
-
E.
1.62 × 10-14s
Correct Answer: Option B
Explanation
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