Last Updated On [03-11-2023]
Statement I In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision.
Statement II Inan elastic collision, the linear momentum of the system is conserved.
a)
Statement I is true ,statement II is true; statement II is a correct explanation for statement I
b)
Statement I is true, Statement II is true; statement II is not correct explanation for statement I
c)
Statement I is true, Statement II is false
d)
Statement I is false, Statement II is True
Statement I In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision.
Statement II Inan elastic collision, the linear momentum of the system is conserved.
a)
Statement I is true ,statement II is true; statement II is a correct explanation for statement I
b)
Statement I is true, Statement II is true; statement II is not correct explanation for statement I
c)
Statement I is true, Statement II is false
d)
Statement I is false, Statement II is True
Question ID - 50803 :-
Statement I In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision.
Statement II Inan elastic collision, the linear momentum of the system is conserved.
a)
Statement I is true ,statement II is true; statement II is a correct explanation for statement I
b)
Statement I is true, Statement II is true; statement II is not correct explanation for statement I
c)
Statement I is true, Statement II is false
d)
Statement I is false, Statement II is True
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Statement I In an elastic collision between two bodies, the relative speed of the bodies after collision is equal to the relative speed before the collision. Statement II Inan elastic collision, the linear momentum of the system is conserved. |
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a) |
Statement I is true ,statement II is true; statement II is a correct explanation for statement I |
b) |
Statement I is true, Statement II is true; statement II is not correct explanation for statement I
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c) |
Statement I is true, Statement II is false |
d) |
Statement I is false, Statement II is True |
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(b) In case of elastic collision ,coefficient of restitution e=1 or Relative speed of approach =relative speed of separation.
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Option (b)is correct.Next Question :
The mean of 25 observations was found to be 78.4. But later on it was found that 96 was misread as 69. The correct mean is
(a) 76.54 (b) 78.4 (c) 79.48 (d) 81.32
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