Ultraviolet Waves, X-Rays And Gamma Rays

Question 1

Ultraviolet Waves are Harmful to Human Eyes and Can Cause ___________.

Answer 1

Blindness.

Question 2

X-Rays and Gamma Rays Have Similar Properties Because they Both:

Answer 2

• Are at the Short-Wavelength End of the Electromagnetic Spectrum.
• Carry Much More Energy Per Second than Longer-Wavelength Electromagnetic Waves.

Question 3

How do X-Rays and Gamma Rays Differ?

Answer 3

• X-Rays are Produced when Electrons or Other Particles Moving at High Speeds are Stopped.
• Gamma Rays are Produced by Radioactive Substances when Unstable Nuclei Release Energy.
• Gamma Rays have Shorter Wavelengths than X-Rays, so they can Penetrate Substances More Than X-Rays can.

Question 4

What are the Important Uses of High-Energy Gamma Rays?

Answer 4

• Killing Harmful Bacteria.

- Killing Cancer Cells.

Question 5

If Ionisation Happens to a Living Cell, it can Damage or Kill the _______.

Answer 5

Cell.