The diagram shows the relative positions of electromagnetic radiations in terms of their wavelength - Leaving Cert Physics - Question Part (b) - 2006
Question Part (b)
The diagram shows the relative positions of electromagnetic radiations in terms of their wavelength.
gamma rays A UV light IR microwaves B
(i... show full transcript
Worked Solution & Example Answer:The diagram shows the relative positions of electromagnetic radiations in terms of their wavelength - Leaving Cert Physics - Question Part (b) - 2006
Step 1
Name the radiations marked A and B.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
A corresponds to X-rays, and B represents radio waves, including VHF/UHF.
Step 2
Give one property which is common to all electromagnetic radiations.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
All electromagnetic radiations travel at the speed of light in a vacuum.
Step 3
Which one of the radiations has the shortest wavelength?
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Gamma rays have the shortest wavelength among the given radiations.
Step 4
Describe how IR radiation is detected.
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
IR radiation is detected using thermal sensors, such as thermometers, or photographic film, which respond to the heat emitted by IR radiation.
Step 5
Give one use for microwaves.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Microwaves are commonly used in cooking, for example in microwave ovens, as well as in communication technologies like mobile phones and satellite TV.
Join the Leaving Cert students using SimpleStudy...
