Question 1
Find the uncertainty in the momentum (in kg ⋅ m/s) of an electron if the uncertainty in its position is equal to 3.4 × 10−10 m, the circumference of the first Bohr orbit.
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6.2 × 10−25
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1.6 × 10−25
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15.5 × 10−25
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19.4 × 10−25
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2.0 × 10−24
Question 2
How much energy is in a 63 kHz photon of AM-radiation?
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1.0 × 10−38 J
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6.6 × 10−30 J
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4.2 × 10−29 J
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3.1 × 10−30 J
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13 × 10−29 J