Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 3

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A positively charged pendulum is oscillating in a uniform electric field as shown in figure. Its time period of SHM as compared to that when it was uncharged. $(m g > q E)$

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Important Questions on Simple Harmonic Motion

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Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 4

A wooden block performs SHM on a frictionless surface with frequency, $v_{0} .$ The block carries a charge $+ Q$ on its surface. If now a uniform electric field $E$ is switched-on as shown, then the SHM of the block will be

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Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 5

The bob of a simple pendulum executes simple harmonic motion in water with a period

t

, while the period of oscillation of the bob is

t_{0}

in air. Neglecting frictional force of water and given that the density of the bob is

(\frac{4}{3}) \times 1000 kg / m^{3}

, which relationship between

t

and

t_{0}

is true?

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Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 6

The equation of

S.H.M.

is

y = A \sin (2 π n t + α)

, then its phase at time

t

is,

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Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 7

The amplitude and the time period in a S.H.M. is

0.5 cm

and

0.4 \sec

respectively. If the initial phase is

\frac{π}{2}

radian, then the equation of S.H.M. will be

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Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 8

Two equations of two S.H.M. are

y = a \sin (ω t - α)

and

y = b \cos (ω t - α)

. The phase difference between the two is

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Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 9

The amplitude and periodic time of S.H.M. are $5 cm$ and $6 s$ , respectively. At a distance of $2.5 cm$ away from the mean position, the phase will be

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Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 10

A particle starts SHM from the mean position. Its amplitude is

A

and time period is

T

. At the time when its speed is half of the maximum speed, its displacement

y

is

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Alpha Question Bank for Medical: Physics>Chapter 19 - Simple Harmonic Motion>Exercise-1>Q 11

A

1.00 \times 10^{- 20} kg

particle is vibrating with simple harmonic motion with a period of

1.00 \times 10^{- 5} \sec

and a maximum speed of

1.00 \times 10^{3} m s^{- 1}

. The maximum displacement of the particle is