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Mass Deflect And Binding Energy - Questions and Answers

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1. A positive ion of charge q is moving with a velocity v in magnetic field of induction B acting at right angles to the direction of motion of the ion. The force exerted by the field on the ion is
A. Bq/v
B. B/vq
C. Bqv
D. vq/B
Explanation:
2. For nuclei having mass numbers between 40 and 120, the average binding energy is
A. 8.8 MeV
B. 8.5 MeV
C. 7.8 MeV
D. 7.6 MeV
Explanation:
3. Energy equivalent of mass defect is known as
A. energy equivalent of 1 amu
B. energy of the nucleus
C. binding energy
D. atomic energy
Explanation:
4. A device used for the determination of atomic masses is called
A. Spectrometer
B. Bragg spectrometer
C. Mass spectrometer
D. Geiger – Muller counter
Explanation:
5. An electron volt is the unit of
A. charge
B. potential difference
C. current
D. energy
Explanation:
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