Advent of Modern Physics | Practice MCQs Physics for Mdcat | mosaicbro.com

Advent of Modern Physics | Practice MCQs Physics for Mdcat

7 of 73 questions (Page 10 of 11)

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64 Disintegration of photon on striking a nucleus into an electron and positron is known as:
Correct Answer: C
No explanation available for this question.
65 The materialization of energy takes place in the process:
Correct Answer: B
No explanation available for this question.
66 Positron is an anti-particle of:
Correct Answer: A
No explanation available for this question.
67 The relation, $hf = 2m_ec^2 + KE_e^- + KE_{e^+}$, holds a:
Correct Answer: A
No explanation available for this question.
68 The minimum energy required by a photo to create an electron-positron pair is:
Correct Answer: C
Explanation: Minimum energy equals rest mass energy of two electrons: $2m_ec^2 \approx 1.02\,MeV$
69 The reverse process of pair production is called:
Correct Answer: A
No explanation available for this question.
70 The rest mass energy of an electron is:
Correct Answer: C
No explanation available for this question.
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