Question:medium
Select the correct statements among the following:
A. Slow neutrons can cause fission in \( \frac{235}{92}U \) more effectively than fast neutrons.
B. \( \alpha \)-rays are Helium nuclei.
C. \( \beta \)-rays are fast moving electrons or positrons.
D. \( \gamma \)-rays are electromagnetic radiations with wavelengths larger than X-rays.
Choose the answer from the options given below:
Select the correct statements among the following:
A. Slow neutrons can cause fission in \( \frac{235}{92}U \) more effectively than fast neutrons.
B. \( \alpha \)-rays are Helium nuclei.
C. \( \beta \)-rays are fast moving electrons or positrons.
D. \( \gamma \)-rays are electromagnetic radiations with wavelengths larger than X-rays.
Choose the answer from the options given below:
A. Slow neutrons can cause fission in \( \frac{235}{92}U \) more effectively than fast neutrons.
B. \( \alpha \)-rays are Helium nuclei.
C. \( \beta \)-rays are fast moving electrons or positrons.
D. \( \gamma \)-rays are electromagnetic radiations with wavelengths larger than X-rays.
Choose the answer from the options given below:
Updated On: Nov 26, 2025
- A, B and C only
- A, B and D only
- A and B only
- C and D only
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The Correct Option is A
Solution and Explanation
Statement evaluation:
A. Slow neutrons are more effective than fast neutrons for nuclear fission in $^{235}_{92}$U due to their higher interaction probability with the uranium nucleus. This statement is correct.
B. α-rays are composed of two protons and two neutrons, equivalent to Helium nuclei. This statement is correct.
C. β-rays are high-velocity electrons or positrons+ released during radioactive decay. This statement is correct.
D. γ-rays are electromagnetic radiation with wavelengths shorter than X-rays. This statement is incorrect.
Statements A, B, and C are correct.
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