Simple Pendulum

IMPORTANT

Simple Pendulum: Overview

This topic covers concepts such as Simple Pendulum, Angular Frequency of Simple Pendulum, Time Period and Frequency of Pendulum, Derivation of Differential Equation for Simple Pendulum, and Torsional Pendulum.

Important Questions on Simple Pendulum

MEDIUM
IMPORTANT

What is the second's pendulum? Find its length and frequency.

HARD
IMPORTANT

Derive the expression for the time period of a pendulum of infinite length. Show that this time is finite.

EASY
IMPORTANT

What is the time period of a second pendulum?
(Write the numerical value in terms of SI unit of time).

EASY
IMPORTANT

In case of a simple pendulum, time period versus length is depicted by

MEDIUM
IMPORTANT

When a simple pendulum is taken from equator to poles, its period

EASY
IMPORTANT

A simple pendulum is suspended from the ceiling of a stationary lift. Its time period is measured as T. If the lift accelerates downward, its time period will be

EASY
IMPORTANT

A simple pendulum is suspended from the ceiling of a stationary lift. Its time period is measured as T. If the lift accelerates upward its time period will be 

HARD
IMPORTANT

Obtain an expression for period of simple pendulum. On which factors it depends?

HARD
IMPORTANT

Show that under certain conditions, a simple pendulum performs linear S.H.M.

HARD
IMPORTANT

A simple pendulum is used in physics laboratory for experiment to obtain experimental value of  gravitational acceleration g. A student measures the length of pendulum 0.51m, displaces it through 10° from equilibrium position and released it. Using a stopwatch, the student measures period of pendulum as 1.44s. Determine the experimental value of the gravitational acceleration.

HARD
IMPORTANT

The period of oscillation of simple pendulum increases by 20% when its length is increased by 44 cm. Find its (i) initial length (ii) initial period of oscillation.

EASY
IMPORTANT

Define conical pendulum. Obtain an expression for the angle made by string of conical pendulum with vertical. Hence deduce the expression for linear speed of bob of the conical pendulum.

EASY
IMPORTANT

Find the time period of a simple pendulum when it is taken 64 km above the earth's surface.

EASY
IMPORTANT

The time period of vibrations of a simple pendulum varies directly as the _____ of the length of the pendulum. (square / cube/ square root/ cube root).

EASY
IMPORTANT

A pendulum beats seconds. Its time period is _____ (2/6/5/9)seconds.

EASY
IMPORTANT

What is the time period of a second pendulum?
(Write the numerical value in terms of SI unit of time).

MEDIUM
IMPORTANT

The time period of a simple pendulum on the surface of the earth is 4 s. Its time period on the surface of the moon is (consider the acceleration due to gravity on moon to be 16 times the acceleration due to gravity on Earth).

MEDIUM
IMPORTANT

The acceleration due to gravity on the surface of the moon is 1.7 m s-2. The time period of a simple pendulum on the moon if its time period on the earth is 3.5 s is Given, g=9.8 m s-2

MEDIUM
IMPORTANT

A simple pendulum is set up in a trolly that moves to the right with an acceleration a on a horizontal plane. Then, the thread of the pendulum in the mean position makes an angle with the vertical

EASY
IMPORTANT

If the displacement of the simple pendulum at any time is 0.02 m and acceleration is 2 m s-2, then in this time angular velocity will be