JEE Main 2022 (Online) 26th June Morning Shift | Simple Harmonic Motion Question 55 | Physics

Time period of a simple pendulum in a stationary lift is 'T'. If the lift accelerates with $${g \over 6}$$ vertically upwards then the time period will be :

(Where g = acceleration due to gravity)

$$\sqrt {{6 \over 5}} T$$

$$\sqrt {{5 \over 6}} T$$

$$\sqrt {{6 \over 7}} T$$

$$\sqrt {{7 \over 6}} T$$

JEE Main 2022 (Online) 24th June Evening Shift

MCQ (Single Correct Answer)

-1

Two massless springs with spring constants 2 k and 9 k, carry 50 g and 100 g masses at their free ends. These two masses oscillate vertically such that their maximum velocities are equal. Then, the ratio of their respective amplitudes will be :

1 : 2

3 : 2

3 : 1

2 : 3

JEE Main 2021 (Online) 1st September Evening Shift

MCQ (Single Correct Answer)

-1

A mass of 5 kg is connected to a spring. The potential energy curve of the simple harmonic motion executed by the system is shown in the figure. A simple pendulum of length 4 m has the same period of oscillation as the spring system. What is the value of acceleration due to gravity on the planet where these experiments are performed?

JEE Main 2021 (Online) 1st September Evening Shift Physics - Simple Harmonic Motion Question 57 English

JEE Main 2021 (Online) 1st September Evening Shift Physics - Simple Harmonic Motion Question 57 English

10 m/s²

5 m/s²

4 m/s²

9.8 m/s²

JEE Main 2021 (Online) 31st August Evening Shift

MCQ (Single Correct Answer)

-1

A bob of mass 'm' suspended by a thread of length l undergoes simple harmonic oscillations with time period T. If the bob is immersed in a liquid that has density $${1 \over 4}$$ times that of the bob and the length of the thread is increased by 1/3^rd of the original length, then the time period of the simple harmonic oscillations will be :-

$${3 \over 2}$$T

$${3 \over 4}$$T

$${4 \over 3}$$T

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