Last Updated On [03-11-2023]
Statement 1:
The centre of mass of a proton and an electron, released from their respective positions remains at rest
Statement 2:
The centre of mass remain at rest, if no external force is applied
a)
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
b)
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
c)
Statement 1 is True, Statement 2 is False
d)
Statement 1 is False, Statement 2 is True
Statement 1:
The centre of mass of a proton and an electron, released from their respective positions remains at rest
Statement 2:
The centre of mass remain at rest, if no external force is applied
a)
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
b)
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
c)
Statement 1 is True, Statement 2 is False
d)
Statement 1 is False, Statement 2 is True
Question ID - 100911 :-
Statement 1:
The centre of mass of a proton and an electron, released from their respective positions remains at rest
Statement 2:
The centre of mass remain at rest, if no external force is applied
a)
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
b)
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
c)
Statement 1 is True, Statement 2 is False
d)
Statement 1 is False, Statement 2 is True
|
Statement 1: |
The centre of mass of a proton and an electron, released from their respective positions remains at rest |
|
Statement 2: |
The centre of mass remain at rest, if no external force is applied |
|
a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
|
b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
|
c) |
Statement 1 is True, Statement 2 is False |
|
d) |
Statement 1 is False, Statement 2 is True |
|
(a) Initially the electron and proton were at rest so their centre of mass will be at rest. When they move towards each other under mutual attraction then velocity of centre of mass remains unaffected because external force on the system is zero |
Next Question :
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Statement1: |
No external force acts on a system of two spheres which undergo a perfectly elastic head–on collision. The minimum kinetic energy of this system is zero if the net momentum of the system is zero |
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Statement2: |
If any two bodies undergo a perfectly elastic head–on collision, at the instant of maximum deformation, the complete kinetic energy of the system is converted to deformation potential energy of the system |
|
a) |
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1 |
|
b) |
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1 |
|
c) |
Statement 1 is True, Statement 2 is False |
|
d) |
Statement 1 is False, Statement 2 is True |
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