- 1(current)
Q. No.1. high thermal expansion coefficient
2. high specific heat capacity
3. low density
4. low boiling point
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| A. | slow neutrons can cause fission in \(U_{92}^{235}\) than fast neutrons. |
| B. | \(\text{α-rays}\) are helium nuclei. |
| C. | \(\text{β-rays}\) are fast-moving electrons or positrons. |
| D. | \(\gamma\text-\text{rays}\) are electromagnetic radiations of wavelengths larger than \(X\text-\)rays. |
1. A, B, and C only
2. A, B, and D only
3. A and B only
4. C and D only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA nucleus with mass number \(240\) breaks into fragments each of mass number \(120\). The binding energy per nucleon of unfragmented nuclei is \(7.6~\text{MeV}\) while that of fragments is \(8.5~\text{MeV}\). The total gain in the binding energy in the process is:
1. \(804~\text{MeV}\)
2. \(216~\text{MeV}\)
3. \(0.9~\text{MeV}\)
4. \(9.4~\text{MeV}\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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