JEE Main 2021 (Online) 1st September Evening Shift | Simple Harmonic Motion Question 27 | Physics

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 27 English

JEE Main 2021 (Online) 1st September Evening Shift Physics - Simple Harmonic Motion Question 27 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

For a body executing S.H.M. :

(1) Potential energy is always equal to its K.E.

(2) Average potential and kinetic energy over any given time interval are always equal.

(3) Sum of the kinetic and potential energy at any point of time is constant.

(4) Average K.E. in one time period is equal to average potential energy in one time period.

Choose the most appropriate option from the options given below :

(3) and (4)

only (3)

(2) and (3)

only (2)

JEE Main 2021 (Online) 27th August Morning Shift

MCQ (Single Correct Answer)

-1

The variation of displacement with time of a particle executing free simple harmonic motion is shown in the figure.

JEE Main 2021 (Online) 27th August Morning Shift Physics - Simple Harmonic Motion Question 31 English

JEE Main 2021 (Online) 27th August Morning Shift Physics - Simple Harmonic Motion Question 31 English

The potential energy U(x) versus time (t) plot of the particle is correctly shown in figure :

JEE Main 2021 (Online) 27th August Morning Shift Physics - Simple Harmonic Motion Question 31 English Option 1

JEE Main 2021 (Online) 27th August Morning Shift Physics - Simple Harmonic Motion Question 31 English Option 2

JEE Main 2021 (Online) 27th August Morning Shift Physics - Simple Harmonic Motion Question 31 English Option 3

JEE Main 2021 (Online) 27th August Morning Shift Physics - Simple Harmonic Motion Question 31 English Option 4

JEE Main 2021 (Online) 27th July Evening Shift

MCQ (Single Correct Answer)

-1

An object of mass 0.5 kg is executing simple harmonic motion. It amplitude is 5 cm and time period (T) is 0.2 s. What will be the potential energy of the object at an instant $$t = {T \over 4}s$$ starting from mean position. Assume that the initial phase of the oscillation is zero.

0.62 J

6.2 $$\times$$ 10^$$-$$3 J

1.2 $$\times$$ 10³ J

6.2 $$\times$$ 10³ J

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