1

JEE Main 2021 (Online) 20th July Evening Shift

MCQ (Single Correct Answer)

+4

-1

Consider a binary star system of star A and star B with masses m

Then :

_{A}and m_{B}revolving in a circular orbit of radii r_{A}an r_{B}, respectively. If T_{A}and T_{B}are the time period of star A and star B, respectively,Then :

2

JEE Main 2021 (Online) 18th March Evening Shift

MCQ (Single Correct Answer)

+4

-1

The function of time representing a simple harmonic motion with a period of $${\pi \over \omega }$$ is :

3

JEE Main 2021 (Online) 18th March Morning Shift

MCQ (Single Correct Answer)

+4

-1

The time period of a simple pendulum is given by $$T = 2\pi \sqrt {{l \over g}} $$. The measured value of the length of pendulum is 10 cm known to a 1mm accuracy. The time for 200 oscillations of the pendulum is found to be 100 second using a clock of 1s resolution. The percentage accuracy in the determination of 'g' using this pendulum is 'x'. The value of 'x' to be nearest integer is :-

4

JEE Main 2021 (Online) 17th March Evening Shift

MCQ (Single Correct Answer)

+4

-1

Two particles A and B of equal masses are suspended from two massless springs of spring constants K

_{1}and K_{2}respectively. If the maximum velocities during oscillations are equal, the ratio of the amplitude of A and B isQuestions Asked from Simple Harmonic Motion (MCQ (Single Correct Answer))

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