Deepak Scored 45->99%ile with Bounce Back Crack Course. You can do it too!

The period of oscillation of a simple pendulum

Question:

The period of oscillation of a simple pendulum is $T=2 \pi \sqrt{\frac{L}{g}}$. Measured value of $L$ is $20.0 \mathrm{~cm}$

known to $1 \mathrm{~mm}$ accuracy and time for 100 oscillations of the pendulum is found to be $90 \mathrm{~s}$ using a wrist watch of 1 s resolution. The accuracy in the determination of $g$ is :

  1. $1 \%$

  2. $5 \%$

  3. 2\%

  4. $3 \%$


Correct Option: , 4

Solution:

Leave a comment

None
Free Study Material