Nuclear Force
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Q. Two nucleons are at a separation of 1×10−15m. The net force between them is F1 if both are neutrons, F2 if both are protons and F3 if one is a proton and other is a neutron. In such a case
- F1=F2>F3
- F1=F3>F2
- F2>F1>F3
- F1=F2=F3
Q.
What is nuclear force?
Q.
Assertion: Nuclear forces are called short-range forces.
Reason: Nuclear forces operate over a very small distance i.e., or 1 fermi.
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Assertion is correct but Reason is incorrect
Both Assertion and Reason are incorrect
Q. The fours basic forces in nature are.
I. Gravitational force
II. Electromagnetic force
III. Strong nuclear force
IV. Weak nuclear force
The relative magnitudes of these forces are in the order of.
I. Gravitational force
II. Electromagnetic force
III. Strong nuclear force
IV. Weak nuclear force
The relative magnitudes of these forces are in the order of.
- III > II > I > IV
- III > II > IV > I
- I > II > III > IV
- III > I > II > IV
Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}-->
Which of the following is not a radioactive emission?
- Alpha
- Beta
- Gamma
- Delta
Q. The force acting between proton and proton inside the nucleus is
- Coulombic
- Nuclear
- Both coloumbic and nuclear.
- None of these
Q. Neutrons are more effective projectiles than protons because they:
- are attracted by nuclei
- are not repelled by nuclei
- travel with high speed
- none of these
Q. The strong nuclear force is:
- Always Attractive
- Repulsive when nucleons are very close and vice versa
- Always Repulsive
- Attractive when nucleons are very close and vice versa