RE-NEET 2024 Physics Radioactivity Multiple Correct Question
Select the correct statements among the following:
A. Slow neutrons can cause fission in ²³⁵U than fast neutrons.
B. α-rays are Helium nuclei.
C. β-rays are fast moving electrons or positrons.
D. γ-rays are electromagnetic radiations of wavelengths larger than X⁻rays. Choose the most appropriate answer from the options given below:
A, B and C only
A, B and D only
A and B only
C and D only
Correct Answer
Detailed Explanation
Statement A is correct because slow neutrons are more effective in causing fission in ²³⁵U. Statement B is correct as α-rays are indeed Helium nuclei. Statement C is also correct as β-rays are fast moving electrons or positrons.
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