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STD 11 - 2. structure of atom — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 2. structure of atom4 Marks
MCQ
Penetration power of proton is
  • A
    More than electron
  • ✓
    Less than electron
  • C
    More than neutron
  • D
    None
✓

Answer

Correct option: B.
Less than electron
b
(b) Proton is $1837$ (approx $1800$ ) times heavier than an electron. Penetration power

$ \propto \frac{1}{{{\rm{mass}}}}$

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