The Speed of Light in a Transparent Plastic Whose Index

question 40

Multiple Choice

The speed of light in a transparent plastic whose index of refraction is 1.5 is

• A) 1.5 × 10⁸ m/s.
• B) 2 × 10⁸ m/s.
• C) 3 × 10⁸ m/s.
• D) 4.5 × 10⁸ m/s.

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Definitions:

Kinetic Energy

The energy that an object possesses due to its motion.

Facilitated Diffusion

Passive transport mechanism in which a solute follows its concentration gradient across a membrane by moving through a transport protein.

Concentration Gradient

A variation in the concentration of a substance across a distance.

Glucose Transporter

Proteins located in cell membranes that assist in the transport of glucose molecules into and out of cells, facilitating the use of glucose for energy.