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PHY 104 PHY 104 Past Questions Objective Question
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Question

Determine the binding energy per nucleon in the nucleus of ³⁵₁₇Cl, if it is reported that the mass of natural occurring chlorine is 35.96885271 amu. (Repeated)
Options
A 18.3 MeV
Correct Answer
B 642.0 MeV
C 17.2 MeV
D 407 MeV
Correct Answer

Option A is the correct answer.

Detailed Explanation

Mass defect = [17(1.007276 + 0.00054858) + 18(1.008665)] - 35.96885271 = 35.28898786 - 35.96885271 = -0.67986485 u. BE = 0.67986485 × 931 = 632.95 MeV. BE/nucleon = 632.95/35 = 18.08 MeV ≈ 18.3 MeV.

Hint

Mass defect × 931 = Binding energy in MeV.

Question Info

Course: PHY 104
Topic: PHY 104 Past Questions
Type: Objective
Difficulty: Not specified
Question 867 of 947
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