When the work done in moving a particle round a closed loop in a field is zero, the forces in the field are called
A) Zero forces
B) Non-Conservative forces
C) Conservative forces
D) Viscous forces
Correct Answer:
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Q11: Hooke's law states that
A)the extension is proportional
Q12: Dimensions of strain are {{}}
A)[L]
B)[M] [L]-1[T]-2
C)[L]-1
D)It's a
Q13: Due to energy dissipation by viscous forces
Q14: At 'yield point' of a copper wire
A)the
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A)static waves
B)standing waves
C)progressive
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Q21: Van der Waals derived an expression for
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