In a transparent material, what happens to light?

In a transparent material, what happens to light?

• A. Light is completely absorbed.
• B. Light is reflected back without passing.
• C. Rays continue along their straight path.
• D. The light is scattered.

Answer: (C)

When light travels through a transparent material, most of it passes through with little absorption or scattering, so inside the material the light rays move in straight lines. They may bend slightly at the boundaries where the light enters or exits (refraction) due to a change in speed, but within the uniform interior the path remains straight. Absorption would stop or dim the light, reflection would bounce it back at the surface, and scattering would spread it in multiple directions—none of which describe a clear, transparent material as well as straight-through transmission.

When light travels through a transparent material, most of it passes through with little absorption or scattering, so inside the material the light rays move in straight lines. They may bend slightly at the boundaries where the light enters or exits (refraction) due to a change in speed, but within the uniform interior the path remains straight. Absorption would stop or dim the light, reflection would bounce it back at the surface, and scattering would spread it in multiple directions—none of which describe a clear, transparent material as well as straight-through transmission.