Electromagnetic Waves Dangers Quiz

Which type of electromagnetic wave is used for remote controls?

• Radio waves

• Microwaves

• Infrared

• Ultraviolet

What type of electromagnetic wave is used for heating homes and cooking?

• Microwaves

• Infrared

• Ultraviolet

• X-rays

What type of wave is used for terrestrial TV broadcasting?

• Radio waves

• Microwaves

• Infrared

• Gamma rays

What characteristic is associated with waves that are quite harmful?

• Long wavelength, low frequency

• Short wavelength, high frequency

• Medium wavelength, medium frequency

• Long wavelength, high frequency

What is a common use condition for dangerous waves?

• Used freely without precautions

• Used only under very controlled conditions

• Used in open environments

• Used without any safety measures

What is the effect of non-ionising radiation on currents?

• Induces low currents

• Stops currents

• Reverses currents

• Increases currents

Where are X-rays and gamma rays commonly used?

• In cooking

• In medical procedures

• In agriculture

• In construction

Which type of ray is used for diagnosing disease?

• X-rays

• Gamma rays

• Ultraviolet rays

• Infrared rays

How are radioactive compounds used in medicine?

• To heat the body

• To inject radioisotopes for chemical transport tracking

• To cure all diseases

• To replace blood

What is the effect of radiation on DNA?

• It strengthens DNA.

• It changes DNA, potentially leading to cell death.

• It has no effect on DNA.

• It makes DNA inactive.