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प्रश्न
Which of the following statements is/are correct?
- α particles are photons
- Penetrating power of γ radiation is very low
- Ionization power is maximum for α rays
- Penetrating power of γ radiation is very high
पर्याय
(i) & (ii) are correct
(ii) & (iii) are correct
(iv) only correct
(iii) & (iv) are correct
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उत्तर
(iii) & (iv) are correct.
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