Act_11 - Name _ Section _ Activity 11: Ionizing Radiation...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
71 Name _________________________ Section ___________________ Activity 11: Ionizing Radiation II 11.1 Additional Sources of Ionizing Radiation 1) Cosmic Rays Your instructor will show you radiation events in a cloud chamber. Look for vapor trails that do not seem to come from one of the radioactive sources. What could be the source for events that occur away from any of the radioactive sources? 2) X-Rays a) What are X-rays? b) How are X-rays produced? c) How do we know that X-rays are a form of ionizing radiation? d) How does ionizing radiation differ from other types of radiation, such as microwaves, infrared radiation, or visible light? 11.2 How Are All Types of Ionizing Radiation Detected? 3) Detection of ionizing radiation a) What do film badges do? b) List three ways we’ve seen in class to detect ionizing radiation. 11.3 What Is the Strength of Ionizing Radiation? 4) The strength of ionizing radiation a) Use the Geiger counter and a timer to find the background radiation in the room by counting the number of Geiger counter clicks per minute. ______________ b) What is the source of this background radiation?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
72 c) Your instructor will bring you a weak radioactive source. Attach the Geiger counter detector to a ring stand. Place the source 10 cm from the open side of the detector and record the number of counts per minute. ____________ How many counts per minute result from this source? ______________ d) Place the source 20 cm from the detector and record the number of counts per minute. _____ How many counts per minute result from this source? _____ e) Place the source 40 cm from the detector and record the number of counts per minute. _____ How many counts per minute result from this source? _______ f) What effect does increasing the distance have on the count? 5)
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 6

Act_11 - Name _ Section _ Activity 11: Ionizing Radiation...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online