Select Chapter Topics:
Q. No.29082Xα→Ye+−→Zβ−−→Pe−−→Q
In the nuclear emission stated above, the mass number and atomic number of the product Q respectively, are:
1. 286,80
2. 288,82
3. 286,81
4. 280,81
In the nuclear emission stated above, the mass number and atomic number of the product Q respectively, are:
1. 286,80
2. 288,82
3. 286,81
4. 280,81
Subtopic: Types of Decay |
64%
From NCERT
NEET - 2024
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
The ratio of nuclear densities and nuclear volumes of 5626Fe and 42He are, respectively:
1. 13:1 and 14:1
2. 14:1 and 1:1
3. 1:1 and 14:1
4. 1:1 and 13:1
1. 13:1 and 14:1
2. 14:1 and 1:1
3. 1:1 and 14:1
4. 1:1 and 13:1
Subtopic: Nucleus |
79%
From NCERT
NEET - 2024
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
An excited heavy nucleus AZX emits radiations in the following sequence:
AZX→A−4Z−2D1→A−4Z−1D2→A−8Z−3D3→A−8Z−4D4→A−8Z−4D5
where Z,A are the atomic and mass number of element X, respectively. The possible emitted particles or radiations in the sequence, respectively are:
1. e+,α,e−,α,γ
2. e−,α,e+,α,γ
3. α,e−,α,e+,γ
4. α,e+,α,e−,γ
AZX→A−4Z−2D1→A−4Z−1D2→A−8Z−3D3→A−8Z−4D4→A−8Z−4D5
where Z,A are the atomic and mass number of element X, respectively. The possible emitted particles or radiations in the sequence, respectively are:
1. e+,α,e−,α,γ
2. e−,α,e+,α,γ
3. α,e−,α,e+,γ
4. α,e+,α,e−,γ
Subtopic: Types of Decay |
70%
From NCERT
NEET - 2024
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Water is used as a coolant in a nuclear reactor because of its:
1. high thermal expansion coefficient
2. high specific heat capacity
3. low density
4. low boiling point
1. high thermal expansion coefficient
2. high specific heat capacity
3. low density
4. low boiling point
Subtopic: Nuclear Binding Energy |
69%
From NCERT
NEET - 2024
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Select the correct statements among the following:
Choose the most appropriate answer from the options given below:
| A. | slow neutrons can cause fission in U23592 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:
| 1. | A, B, and C only | 2. | A, B, and D only |
| 3. | A and B only | 4. | C and D only |
Subtopic: Nuclear Binding Energy |
69%
From NCERT
NEET - 2024
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
In the given nuclear reaction, the element X is:
2211Na→X+e++ν
2211Na→X+e++ν
| 1. | 2212Mg | 2. | 2311Na |
| 3. | 2310Ne | 4. | 2210Ne |
Subtopic: Types of Decay |
66%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
A nucleus of mass number 189 splits into two nuclei having mass numbers 125 and 64. The ratio of the radius of two daughter nuclei respectively is:
| 1. | 25:16 | 2. | 1:1 |
| 3. | 4:5 | 4. | 5:4 |
Subtopic: Nucleus |
82%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
A nucleus with mass number 240 breaks into fragments each of mass number 120. The binding energy per nucleon of unfragmented nuclei is 7.6 MeV while that of fragments is 8.5 MeV. The total gain in the binding energy in the process is:
1. 804 MeV
2. 216 MeV
3. 0.9 MeV
4. 9.4 MeV
Subtopic: Nuclear Binding Energy |
64%
From NCERT
NEET - 2021
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
A radioactive nucleus AZX undergoes spontaneous decay in the sequence AZX→BZ−1→CZ−3→DZ−2 where Z is the atomic number of element X. The possible decay particles in the sequence are:
| 1. | β+, α, β− | 2. | β−, α, β+ |
| 3. | α, β−, β+ | 4. | α, β+, β− |
Subtopic: Types of Decay |
71%
From NCERT
NEET - 2021
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
The energy equivalent of 0.5 g of a substance is:
1. 4.5×1013 J
2. 1.5×1013 J
3. 0.5×1013 J
4. 4.5×1016 J
Subtopic: Mass-Energy Equivalent |
63%
From NCERT
NEET - 2020
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Select Chapter Topics:
© 2025 GoodEd Technologies Pvt. Ltd.