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Modern Physics — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsModern Physics1 Mark
MCQ
During $\beta$-emission:
  • ✓
    the mass number remains unchanged, but atomic number increases by 1 amu .
  • B
    the mass number remains unchanged, but atomic number decreases by 1 amu.
  • C
    the mass number increases by 1 amm, but atomic number remains same.
  • D
    the mass number and atomic number decrease by 1 amu.
✓

Answer

Correct option: A.
the mass number remains unchanged, but atomic number increases by 1 amu .
A

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