2nd Quarter (Science) EM Spectrum 1 Exam
Questions With Correct Answers
radio /waves /- /correct /answer(s) /✔✔ /can /be /produced /by /making /electricity /oscillate /in /an
/aerial /or /antenna /and /are /used /to /transmit /sound /and /picture /info /in /long /distances.
microwaves /- /correct /answer(s) /✔✔ /used /in /satellite /communications /because /they /can
/penetrate /the /ionosphere
infrared /waves /- /correct /answer(s) /✔✔ /heat /waves
visible /waves /- /correct /answer(s) /✔✔ /makes /up /only /a /small /portion /of /the /em /spectrum;
/most /familiar /wave; /visible /to /the /eye
x /ray /- /correct /answer(s) /✔✔ /usually /used /for /diagnosis /in /hospitals /(pneumonia, /fractures,
/tumors)
ultraviolet /waves /- /correct /answer(s) /✔✔ /the /sun /is /our /main /source /of /this /wave
gamma /rays /- /correct /answer(s) /✔✔ /penetrating /electromagnetic /radiation /of /a /kind /arising
/from /the /radioactive /decay /of /atomic /nuclei.
Questions With Correct Answers
radio /waves /- /correct /answer(s) /✔✔ /can /be /produced /by /making /electricity /oscillate /in /an
/aerial /or /antenna /and /are /used /to /transmit /sound /and /picture /info /in /long /distances.
microwaves /- /correct /answer(s) /✔✔ /used /in /satellite /communications /because /they /can
/penetrate /the /ionosphere
infrared /waves /- /correct /answer(s) /✔✔ /heat /waves
visible /waves /- /correct /answer(s) /✔✔ /makes /up /only /a /small /portion /of /the /em /spectrum;
/most /familiar /wave; /visible /to /the /eye
x /ray /- /correct /answer(s) /✔✔ /usually /used /for /diagnosis /in /hospitals /(pneumonia, /fractures,
/tumors)
ultraviolet /waves /- /correct /answer(s) /✔✔ /the /sun /is /our /main /source /of /this /wave
gamma /rays /- /correct /answer(s) /✔✔ /penetrating /electromagnetic /radiation /of /a /kind /arising
/from /the /radioactive /decay /of /atomic /nuclei.
