Which of the following is a transparent tissue?

Two sources of sound placed close to each other are emitting progressive waves given by $y_1 = 4 \sin(600\pi t)$ and $y_2 = 5 \sin(608\pi t)$. An observer located near these two sources of sound will hear:

In Young's double-slit experiment,the intensity at a point is $(1/4)$ of the maximum intensity. The angular position of this point is:

Two animals which are the members of the same order must also be the members of the same

An increase in $CO_2$ concentration in the atmosphere will result in

Identify the major product of the following reaction: