Physics 10 Ch-1 Simple Harmonic Motion and Waves-4

Physics 10 Ch-1 Simple Harmonic Motion and Waves-4

1. In the equilibrium position O, what will be the net force on the bob?

a) 5 N
b) 10 N
c) Maximum
d) Zero

2. What cancels the component of weight mg cosθ in simple pendulum?

a) Weight of the bob
b) Weight of the string
c) Weight of the bob and string
d) Tension in the string

3. What acts as a restoring force in case of simple pendulum?

a) Tension in the string
b) Force of gravity
c) Component of weight mg cosθ
d) Component of weight mg sinθ

4. On which of the following time period of a simple pendulum does not depend?

a) Weight

b) Mass

c) Length
d) Force of gravity

5. On which of the following time period of a simple pendulum does not depend?

a) Weight

b) Length

c) Amplitude

d) Force of gravity

6. What is the formula for time period of simple pendulum?

a) T = 2 π (L x g)

b) T = 2 π √(L/g)
c) T = 2 π (L - g)

d) T = 2 π √(L + g)

7. What is the motion called that occurs when the net force is directly proportional to the displacement from the mean position and is always directed towards the mean position?

a) Circular motion

b) Simple Harmonic Motion

c) Linear motion
d) Rotatory motion

8. If an object oscillates about a fixed position such that its acceleration is proportional to displacement from the mean position and is always directed towards the mean position?

a) Circular motion

b) Linear motion
c) Simple Harmonic Motion

d) Rotatory motion

9. Which of the following is an example of SHM?

a) Up and down motion of a leaf in water pond

b) Motion of hands of a clock
c) Movement of honeybee

d) Motion of a ceiling fan

10. What will be the formula of time period for a mass m attached to the spring?

a) T = 2 π √(m + k)

b) T = 2 π (m - k)

c) T = 2 π √(m/k)

d) T = 2 π (m x k)

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