Chapter 3 Electromagnetic Radiation
Questions and Answers| Latest Update
As compared to an alpha particle, a beta particle:
has less mass
has more mass
has the same mass
is less penetrating has less mass
A negatively charged beta particle behaves the same as a(n):
proton
neutron
electron
positron electron
All electromagnetic radiation travels at the same speed
T/F True
Electromagnetic energy cannot travel through a vacuum.
T/F False
Electromagnetic radiation has properties of a wave and a particle.
T/F True
Higher energy radiation acts more like waves than like particles.
T/F False
, All of the electromagnetic radiations are capable of ionizing matter.
T/F False
X-rays and gamma rays are the only electromagnetic radiations that are able to ionize matter.
T/F True
All radioactive elements occur naturally.
T/F False
The beta particle is an electron that is emitted from an outer shell.
T/F False
1 megahertz (MHz) is equal to:
100 hertz
1,000 hertz
1,000,000 hertz
1,000,000,000 hertz 1,000,000 hertz
The formula c=f(lambda y) can be used to calculate the ________ and _________ of an
electromagnetic wave.
velocity; wavelength
wavelength; frequency
frequency; velocity
all of the above wavelength; frequency
What is the wavelength of electromagnetic radiation if the frequency is 3 X 10^10m?
Questions and Answers| Latest Update
As compared to an alpha particle, a beta particle:
has less mass
has more mass
has the same mass
is less penetrating has less mass
A negatively charged beta particle behaves the same as a(n):
proton
neutron
electron
positron electron
All electromagnetic radiation travels at the same speed
T/F True
Electromagnetic energy cannot travel through a vacuum.
T/F False
Electromagnetic radiation has properties of a wave and a particle.
T/F True
Higher energy radiation acts more like waves than like particles.
T/F False
, All of the electromagnetic radiations are capable of ionizing matter.
T/F False
X-rays and gamma rays are the only electromagnetic radiations that are able to ionize matter.
T/F True
All radioactive elements occur naturally.
T/F False
The beta particle is an electron that is emitted from an outer shell.
T/F False
1 megahertz (MHz) is equal to:
100 hertz
1,000 hertz
1,000,000 hertz
1,000,000,000 hertz 1,000,000 hertz
The formula c=f(lambda y) can be used to calculate the ________ and _________ of an
electromagnetic wave.
velocity; wavelength
wavelength; frequency
frequency; velocity
all of the above wavelength; frequency
What is the wavelength of electromagnetic radiation if the frequency is 3 X 10^10m?
