Answer – Vihara; Chaitya
Buddhist monastic communities made two types of rock-cut
halls; one was called the Vihara, used for the monks' living quarters, and
the other was the Chaitya, which meant
"sanctuary."
Answer: D is right
Explanation: It seems both waves have same wavelength.
Because speed = wavelength · frequency (v = λf) and
f = v/λ, so frequency is same. Because period T = 1/ frequency, also periods are same. Wave Y has higher amplidude and its energy is greater.
They're plant cells. The green organelles should be chloroplast. They're responsible for photosynthesis.
