Quiz on Penetrating Radiation and Nuclear Energy

What is the primary reason x-rays are used in medical imaging?

• They are safe for frequent exposure.

• They have a long wavelength that can penetrate bones.

• They can penetrate flesh but not bones, making them useful for imaging.

• They are the shortest wavelength in the electromagnetic spectrum.

Who discovered x-rays and in what year?

• Marie Curie in 1903

• Wilhelm Conrad Röntgen in 1895

• Albert Einstein in 1915

• Isaac Newton in 1687

Which of the following is a source of gamma rays?

• The Sun

• Lightning

• Wind turbines

• Radio towers

What is a significant application of gamma rays in medicine?

• X-ray photography

• Radiotherapy for cancer treatment

• Ultrasound imaging

• Magnetic resonance imaging (MRI)

How can gamma rays be blocked effectively?

• With water

• With lead and thick concrete

• With thin plastic sheets

• With glass