MCQ
A plate oscillated with time period $‘T’$. Suddenly, another plate put on the first plate, then time period
- AWill decrease
- BWill increase
- ✓Will be same
- DNone of these
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(Take $\mathrm{g}=10\; \mathrm{ms}^{-2}$ at the north pole and the radius of the earth $=6400\; \mathrm{km}$)