nursing AIIMS BSc Nursing 2025 Mock Test Series Electromagnetic Theory Electromagnetic Wave Propagation Wave Propagation in Lossy Medium
तरंग समीकरण
y = 0.5 sin \(\frac{2 \pi}{\lambda}\) (400t - x)m
में तरंग का वेग होगा:
1
200 m/s
2
200√2 m/s
3
400 m/s
4
400√2 m/s