Question 1:
Which electromagnetic wave is used in medical imaging to visualize bones and tissues?
Explanation: The correct answer is C) X-rays. X-rays have the ability to penetrate body tissues, and they are used in medical imaging techniques like X-ray radiography and computed tomography (CT) scans to visualize bones and soft tissues.
Question 2:
Which electromagnetic wave is used for long-distance communication, such as radio broadcasting?
Explanation: The correct answer is C) Radio waves. Radio waves have long wavelengths and are used for long-distance communication, including radio broadcasting, television transmission, and wireless communication.
Question 3:
Which electromagnetic wave is responsible for the heating effect in microwave ovens?
Explanation: The correct answer is D) Microwaves. Microwaves are used in microwave ovens for heating food by generating heat through the absorption of microwave energy by water molecules in the food.
Question 4:
Which electromagnetic wave is responsible for causing sunburns and is used in tanning beds?
Explanation: The correct answer is B) Ultraviolet. Ultraviolet (UV) waves, specifically UV-B and UV-C, can cause sunburns and damage to the skin. In tanning beds, UV-A waves are used to induce a tan.
Question 5:
Which electromagnetic wave is responsible for enabling vision and is detected by the human eye?
Explanation: The correct answer is C) Visible light. Visible light is responsible for enabling vision and is detected by the human eye. It is the portion of the electromagnetic spectrum that can be perceived as various colors.