A $K=2\mathrm{π}\sqrt{\frac{\mathrm{e}}{\mathrm{g}}}$
B $\mathrm{λ}=\frac{1}{2}kA^{2}cos^{2}(ωt+\mathrm{δ})$
C $\mathrm{T}=sin(ωt+\mathrm{δ})$
D $\mathrm{L}=\frac{\mathrm{g}}{\mathrm{π}^{2}}$
Correct Answer: Option D
Download our app for free and access thousands of MCQ questions with detailed solutions