C6H5 is the molecular formula for Phenyl.
I'm not sure, but maybe burning point...
Answer:
The First choice is correct
Explanation:
That is the closest example of what is shown
The flashlight's beam will all be refracted towards a central axis. But, this is still dependent on the type of lens that is used for the said activity. The speed of light will vary depending whether the lens is a concave or a convex lens. The exit point of the light will always head towards the central axis.
