Oscillations Test

Result

Oscillations Test - 6

Score
-
out of -
Rank
-
out of -

TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

For all practical purposes, the motion of a simple pendulum is SHM,

A
Only if the length of its string is at least one meter

B
Only if the maximum angle which its string makes with the vertical is less than 342.

C
Only if the maximum angle which the string makes with the vertical is less than I

D
None of these

Solution

The motion of a simple pendulum is Simple Harmonic Motion(SHM) if a restoring force is proportional to the displacement, a relationship often known as Hooke's Law when applied to springs.
Question 2
1 / -0

A rubber ball with water, having a small hole in its bottom is used as the bob of a simple pendulum. The time-period of such a pendulum:

A
First increases and then decreases finally having same value as at the beginning

B
Increases with time

C
Decreases with time

D
Is a constant

Solution

Time period is defined as time taken by body in one complete oscillation about its mean position. It is only dependent on length of pendulm L and gravity g. Thus if L and g remains constant during motion T will be constant.