Question

1. Have you ever tried to undergo an X-ray to test on your body? What can you see in the fils aftee the examination? why is the bone being visible and not organs?
2. How do airports and some transportastion stations detect person affected of the virus

3. what happen to white liaght as it hits a prism?



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Answer 1

Answer:

Explanation:

1. What is seen after the x-ray examination is the "picture" of the bone. X-rays are ionizing radiation that produce picture of bones when the body is subjected to the rays.

The bone is visible because the rays cannot penetrate hard surfaces like bones but can penetrate tissues and organs that are soft. Hence, the "picture" seen is just a shadow cast by the bones.

2. Airports and most transportation stations use thermal devices such as infrared thermometers to check for a spike in temperature of passengers. This is because symptomatic carriers of the virus will normally run a high temperature or fever.

3. When white light passes through a prism, the incident ray of the white disperses to produce different constituent colours (which can be seen if done practically).