147360
In atomic scale the weakest force in nature is
1 strong force
2 electromagnetic force
3 gravitational force
4 weak nuclear force
Explanation:
C The strong nuclear force is an attractive force between Protons and neutrons that keep the nucleus together and the weak nuclear force is responsible for the radioactive decay of certain nuclei. order of the strongest to weakest forces (i) Strong nuclear force (ii) Electromagnetic force (iii) Weak nuclear force (iv) Gravity force
TS- EAMCET-10.09.2020
NUCLEAR PHYSICS
147361
The mass number of an atom is 15 and its atomic number 7. Now, this atom absorbs an $\alpha$ particle and emits a proton. What will be the mass number of changed atom?
1 16
2 18
3 17
4 15
Explanation:
B Let, the atom $\mathrm{X}$ ${ }_{7} \mathrm{X}^{15}+{ }_{2} \mathrm{He}^{4} \rightarrow{ }_{1} \mathrm{P}^{1}+{ }_{8} \mathrm{Y}^{18}$ So, the mass Number of changed atom is 18
Manipal UGET -2020
NUCLEAR PHYSICS
147368
When boron ${ }_{5} \mathrm{~B}^{10}$ is bombarded by neutron, alpha particles are emitted. The resulting nucleus has the mass number.
1 11
2 7
3 6
4 15
Explanation:
B When an $\alpha$ particle is emitted 2 protons and 2 neutrons will be lost. ${ }_{5} \mathrm{~B}^{10}+{ }_{0} \mathrm{n}^{1} \rightarrow{ }_{3} \mathrm{Li}^{7}+{ }_{2} \mathrm{He}^{4}$ $\because$ Now element formed has at number as 3 . $\therefore$ It is a lithium element. So, the resulting nucleus has the mass number 7 .
SRMJEE-2019
NUCLEAR PHYSICS
147398
What is the number of neutrons in \(1 \mathrm{~g}\) of \({ }_6 \mathrm{C}^{14}\) ?
1 $8 \times 6.02 \times 10^{23}$
2 $7 \times 6.02 \times 10^{23}$
3 $6 \times 6.02 \times 10^{23}$
4 $4 \times 6.02 \times 10^{23}$
Explanation:
A 1 gram of carbon $=6.02 \times 10^{23}$ atom Each carbon atom has $=14-6=8$ neutrons Number of neutrons $=8 \times 6.02 \times 10^{23}$
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NUCLEAR PHYSICS
147360
In atomic scale the weakest force in nature is
1 strong force
2 electromagnetic force
3 gravitational force
4 weak nuclear force
Explanation:
C The strong nuclear force is an attractive force between Protons and neutrons that keep the nucleus together and the weak nuclear force is responsible for the radioactive decay of certain nuclei. order of the strongest to weakest forces (i) Strong nuclear force (ii) Electromagnetic force (iii) Weak nuclear force (iv) Gravity force
TS- EAMCET-10.09.2020
NUCLEAR PHYSICS
147361
The mass number of an atom is 15 and its atomic number 7. Now, this atom absorbs an $\alpha$ particle and emits a proton. What will be the mass number of changed atom?
1 16
2 18
3 17
4 15
Explanation:
B Let, the atom $\mathrm{X}$ ${ }_{7} \mathrm{X}^{15}+{ }_{2} \mathrm{He}^{4} \rightarrow{ }_{1} \mathrm{P}^{1}+{ }_{8} \mathrm{Y}^{18}$ So, the mass Number of changed atom is 18
Manipal UGET -2020
NUCLEAR PHYSICS
147368
When boron ${ }_{5} \mathrm{~B}^{10}$ is bombarded by neutron, alpha particles are emitted. The resulting nucleus has the mass number.
1 11
2 7
3 6
4 15
Explanation:
B When an $\alpha$ particle is emitted 2 protons and 2 neutrons will be lost. ${ }_{5} \mathrm{~B}^{10}+{ }_{0} \mathrm{n}^{1} \rightarrow{ }_{3} \mathrm{Li}^{7}+{ }_{2} \mathrm{He}^{4}$ $\because$ Now element formed has at number as 3 . $\therefore$ It is a lithium element. So, the resulting nucleus has the mass number 7 .
SRMJEE-2019
NUCLEAR PHYSICS
147398
What is the number of neutrons in \(1 \mathrm{~g}\) of \({ }_6 \mathrm{C}^{14}\) ?
1 $8 \times 6.02 \times 10^{23}$
2 $7 \times 6.02 \times 10^{23}$
3 $6 \times 6.02 \times 10^{23}$
4 $4 \times 6.02 \times 10^{23}$
Explanation:
A 1 gram of carbon $=6.02 \times 10^{23}$ atom Each carbon atom has $=14-6=8$ neutrons Number of neutrons $=8 \times 6.02 \times 10^{23}$
147360
In atomic scale the weakest force in nature is
1 strong force
2 electromagnetic force
3 gravitational force
4 weak nuclear force
Explanation:
C The strong nuclear force is an attractive force between Protons and neutrons that keep the nucleus together and the weak nuclear force is responsible for the radioactive decay of certain nuclei. order of the strongest to weakest forces (i) Strong nuclear force (ii) Electromagnetic force (iii) Weak nuclear force (iv) Gravity force
TS- EAMCET-10.09.2020
NUCLEAR PHYSICS
147361
The mass number of an atom is 15 and its atomic number 7. Now, this atom absorbs an $\alpha$ particle and emits a proton. What will be the mass number of changed atom?
1 16
2 18
3 17
4 15
Explanation:
B Let, the atom $\mathrm{X}$ ${ }_{7} \mathrm{X}^{15}+{ }_{2} \mathrm{He}^{4} \rightarrow{ }_{1} \mathrm{P}^{1}+{ }_{8} \mathrm{Y}^{18}$ So, the mass Number of changed atom is 18
Manipal UGET -2020
NUCLEAR PHYSICS
147368
When boron ${ }_{5} \mathrm{~B}^{10}$ is bombarded by neutron, alpha particles are emitted. The resulting nucleus has the mass number.
1 11
2 7
3 6
4 15
Explanation:
B When an $\alpha$ particle is emitted 2 protons and 2 neutrons will be lost. ${ }_{5} \mathrm{~B}^{10}+{ }_{0} \mathrm{n}^{1} \rightarrow{ }_{3} \mathrm{Li}^{7}+{ }_{2} \mathrm{He}^{4}$ $\because$ Now element formed has at number as 3 . $\therefore$ It is a lithium element. So, the resulting nucleus has the mass number 7 .
SRMJEE-2019
NUCLEAR PHYSICS
147398
What is the number of neutrons in \(1 \mathrm{~g}\) of \({ }_6 \mathrm{C}^{14}\) ?
1 $8 \times 6.02 \times 10^{23}$
2 $7 \times 6.02 \times 10^{23}$
3 $6 \times 6.02 \times 10^{23}$
4 $4 \times 6.02 \times 10^{23}$
Explanation:
A 1 gram of carbon $=6.02 \times 10^{23}$ atom Each carbon atom has $=14-6=8$ neutrons Number of neutrons $=8 \times 6.02 \times 10^{23}$
147360
In atomic scale the weakest force in nature is
1 strong force
2 electromagnetic force
3 gravitational force
4 weak nuclear force
Explanation:
C The strong nuclear force is an attractive force between Protons and neutrons that keep the nucleus together and the weak nuclear force is responsible for the radioactive decay of certain nuclei. order of the strongest to weakest forces (i) Strong nuclear force (ii) Electromagnetic force (iii) Weak nuclear force (iv) Gravity force
TS- EAMCET-10.09.2020
NUCLEAR PHYSICS
147361
The mass number of an atom is 15 and its atomic number 7. Now, this atom absorbs an $\alpha$ particle and emits a proton. What will be the mass number of changed atom?
1 16
2 18
3 17
4 15
Explanation:
B Let, the atom $\mathrm{X}$ ${ }_{7} \mathrm{X}^{15}+{ }_{2} \mathrm{He}^{4} \rightarrow{ }_{1} \mathrm{P}^{1}+{ }_{8} \mathrm{Y}^{18}$ So, the mass Number of changed atom is 18
Manipal UGET -2020
NUCLEAR PHYSICS
147368
When boron ${ }_{5} \mathrm{~B}^{10}$ is bombarded by neutron, alpha particles are emitted. The resulting nucleus has the mass number.
1 11
2 7
3 6
4 15
Explanation:
B When an $\alpha$ particle is emitted 2 protons and 2 neutrons will be lost. ${ }_{5} \mathrm{~B}^{10}+{ }_{0} \mathrm{n}^{1} \rightarrow{ }_{3} \mathrm{Li}^{7}+{ }_{2} \mathrm{He}^{4}$ $\because$ Now element formed has at number as 3 . $\therefore$ It is a lithium element. So, the resulting nucleus has the mass number 7 .
SRMJEE-2019
NUCLEAR PHYSICS
147398
What is the number of neutrons in \(1 \mathrm{~g}\) of \({ }_6 \mathrm{C}^{14}\) ?
1 $8 \times 6.02 \times 10^{23}$
2 $7 \times 6.02 \times 10^{23}$
3 $6 \times 6.02 \times 10^{23}$
4 $4 \times 6.02 \times 10^{23}$
Explanation:
A 1 gram of carbon $=6.02 \times 10^{23}$ atom Each carbon atom has $=14-6=8$ neutrons Number of neutrons $=8 \times 6.02 \times 10^{23}$
