A) \[2\pi \sqrt{\frac{l}{g}}\]
B) \[\sqrt{\frac{l}{\sqrt{g+\frac{qE}{m}}}}\]
C) \[2\pi \sqrt{\frac{l}{\sqrt{g-\frac{qE}{m}}}}\]
D) \[\sqrt{\frac{l}{\sqrt{{{g}^{2}}+{{\left( \frac{qE}{m} \right)}^{2}}}}}\]
Correct Answer: D
Solution :
Time period of simple pendulum in airYou need to login to perform this action.
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