When a Light Beam Emerges from Water into Air, Light

question 93

Multiple Choice

When a light beam emerges from water into air, light speed

• A)increases.
• B)decreases.
• C)remains the same.

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Definitions:

Rattling Sound

A type of abnormal lung sound, often indicating the presence of mucus or fluid in the airways.

Chest

The part of the front surface of the body enclosed by the ribs, sternum, and thoracic vertebrae, containing vital organs such as the heart and lungs.

Inflammatory Disease

A disease characterized by inflammation, which is the body's response to infection or injury, leading to redness, swelling, and pain.

Wheezing

A high-pitched whistling sound made while breathing, often indicating breathing difficulties or obstructed airways.