Podcast
Questions and Answers
What did WC Roentgen notice when investigating the conduction of electricity through gases in glass tubes?
What did WC Roentgen notice when investigating the conduction of electricity through gases in glass tubes?
- Visible light passing through black paper
- Charged particles being deflected in a magnetic field
- Invisible rays making fluorescent screens glow and fogging photographic plates (correct)
- Electric and magnetic fields influencing the rays
What type of radiation are X-rays?
What type of radiation are X-rays?
- Beta particles
- Electromagnetic radiation of very short wavelength (correct)
- Charged particles
- Visible light
Why were X-rays named 'X-rays' by Roentgen?
Why were X-rays named 'X-rays' by Roentgen?
- Because they were found to be charged particles
- Because they were deflected in a magnetic field
- Because their nature was not known at the time of discovery (correct)
- Because they were visible to the naked eye
What effect do X-rays have on substances through which they pass?
What effect do X-rays have on substances through which they pass?
What is the basis for the production of X-rays?
What is the basis for the production of X-rays?
What happens when a fast-moving electron undergoes ionizational collisions in the target material?
What happens when a fast-moving electron undergoes ionizational collisions in the target material?
How does a 100 keV electron typically behave before coming to rest in the target material?
How does a 100 keV electron typically behave before coming to rest in the target material?
What is the role of the displaced electron, known as a secondary electron, in X-ray production?
What is the role of the displaced electron, known as a secondary electron, in X-ray production?
What is the basis for the production of X-rays?
What is the basis for the production of X-rays?
What happens when a fast moving electron is stopped by a target material?
What happens when a fast moving electron is stopped by a target material?
What is the result of ionizational collisions between the fast moving electron and the target atoms?
What is the result of ionizational collisions between the fast moving electron and the target atoms?
What happens to the kinetic energy of fast moving electrons when they are suddenly stopped by a target material?
What happens to the kinetic energy of fast moving electrons when they are suddenly stopped by a target material?
