Light Enters a Plane-Parallel Block of Glass from the Vacuum

question 55

Multiple Choice

Light enters a plane-parallel block of glass from the vacuum of space and leaves again into space through the opposite side (e.g., in a space-borne instrument) . What is the speed of light after it leaves the glass?

• A) same speed as it had before it entered the glass
• B) The exit speed will depend on the thickness of the glass, becoming slower the thicker the glass.
• C) faster than when it entered because it has passed through the dense glass
• D) slower because it has passed through the glass and been slowed by it

Understand the significance of audience profile sheets in gathering and organizing information about the target audience.

Determine relevant information about key stakeholders to tailor communication effectively.

Grasp the procedure to follow after analyzing the audience and purpose, including drafting and research.

Comprehend the dynamics within cultures and how they affect organizational communication.

---

Definitions:

Blood Pressure

The pressure applied by flowing blood against the walls of the arteries, used to evaluate the health of the heart and blood vessels.

Pulmonary Infections

Infections affecting the lungs, which can be caused by bacteria, viruses, fungi, or parasites, leading to conditions such as pneumonia.

Smoking

The act of inhaling and exhaling the smoke produced by burning tobacco or substances in cigarettes, pipes, or cigars, which is a major health risk.

Respiratory Functions

Respiratory functions refer to the various physiological processes involved in the intake of oxygen and the release of carbon dioxide by the respiratory system.