The amplitude and the time period in an S.H.M. is 0.5 cm and 0.4 π sec respectively. If the initial phase is π/2 radian, then the equation of S.H.M. will be

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1.
The amplitude and the time period in an S.H.M. is 0.5 cm and 0.4 π sec respectively. If the initial phase is π/2 radian, then the equation of S.H.M. will be

1. y = 0.5 sin 5t2. y = 0.5 sin 4t3. y = 0.5 sin 2.5t4. y = 0.5 cos 5t

2.
A simple harmonic motion is represented by x(t) = 10 sin (20t + 0.5). The amplitude of the S.H.M. is

1. a = 302. a = 203. a = 104. a = 5

3.
A particle executing simple harmonic motion along y-axis has its motion described by the equation . The amplitude of the simple harmonic motion is

1. A2. B3. A + B4.

4.
A particle is executing S.H.M. of amplitude 4 cm and T = 4 sec. The time taken by it to move from positive extreme position to half the amplitude is

1. 1 s2. 1/3 s3. 2/3 s4.  s

5.
The amplitude of a particle executing S.H.M. with frequency of 60 Hz is 0.01 m. The maximum value of the acceleration of the particle is

1. 2. 3. 4.

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The amplitude and the time period in an S.H.M. is 0.5 cm and 0.4 π sec respectively. If the initial phase is π/2 radian, then the equation of S.H.M. will be