When displacement x = 0, then kinetic energy of system is
A) minimum
B) maximum
C) constant
D) zero
Correct Answer:
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Q8: Gradient of velocity-time graph gives
A)force
B)frequency
C)wavelength
D)acceleration
Q9: Magnitude of gradient of a-x graph is
Q10: Potential energy of system is maximum at
A)extreme
Q11: In s.h.m, acceleration is always directed towards
Q12: Number of oscillations per unit time is
A)amplitude
B)wavelength
C)frequency
D)period
Q14: Energy of a system executing s.h.m is
A)increasing
B)decreasing
C)constant
D)variable
Q15: Oscillatory motion has a
A)straight lined graph
B)randomly lined
Q16: During one oscillation, phase of oscillation changes
Q17: If an object moves back and forth
Q18: Terminal potential difference of battery depends on
A)current
B)temperature
C)both
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