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REMOTE SENSING
UNIT ONE
| Question | Answer |
|---|---|
| ARRANGEMENT OF ELECTROMAGNETIC RADIATION IS CALLED | ELECTROMAGNET SPECTRUM |
| NUMBER OF WAVES THAT PASS A PARTICULAR POINT EACH SECOND | FREQUENCY |
| TYPES OF ELECTROMAGNETIC RADIATION | X-RAYS, ULTRAVIOLET RAYS, MICROWAVES |
| NOT A TYPE OF ELECTROMAGNETIC RADIATION | OCEAN WAVES |
| THE SPEED OF LIGHT IN A VACCUM | 300,000km/S |
| WHICH FORM OF ELECTROMAGNETIC RADIATION HAS THE HIGHEST FREQUENCY/LOWEST FREQUENCY | GAMMA RAYS/RADIO WAYS |
| USES A SYSTEM OF 24 SATELLITES THAT TRANSMIT MICROWAVES | GPS |
| USES RADAR TO MAP FEATURS, SUCH AS MOUNTAINS AND VALLEYS THAT ARE ON THE OCEAN FLOOR | TOPEX/POSEIDON |
| USES A HANDHELD RECEIVER TO HELP PEOPLE DETERMINE THEIR EXACT POSITION ON THE EARTH | GPS |
| CREATES IMAGES THAT SHOW SURFACE FEATURES AS DIFFERENT COLORS | LANDSAT |
| USED FOR SHIP AND AIRPLANE NAVIGATION | GPS |
| PICKS UP BULGES AND DEPRESSION IN OCEAN WATER | TOPEX/POSEIDON |