Teaching UP PGT Mock Test Series 2024 Physics Units, Dimensions and Measurements Dimensional analysis and its applications
The equation of stationary wave is:
\(\mathrm{y}=2 \mathrm{a} \sin \left(\frac{2 \pi \mathrm{nt}}{\lambda}\right) \cos \left(\frac{2 \pi \mathrm{x}}{\lambda}\right) \)
Which of the following is NOT correct
1
The dimensions of nt is [L]
2
The dimensions of n is [LT–1]
3
The dimensions of n/λ is [T]
4
The dimensions of x is [L]