BTEC Applied Science Unit 1
Physics - C Waves in
Communication C3
Electromagnetic waves in
communication / Btec Applied
Science Unit 11 Assignment C
Full Assignment
What is the electromagnetic spectrum? - ANS-The range of
wavelengths or frequencies over which electromagnetic
radiation extends.
State the order of the electromagnetic spectrum (longest
wavelength and lowest frequency --> lowest wavelength and
highest frequency). - ANS-Radio waves, microwaves,
infrared radiation, visible light, ultraviolet, x-rays, gamma
rays
Red light has... - ANS-a low frequency and a long wavelength
Blue/purple light has... - ANS-a high frequency and a short
wavelength
Radio waves frequency - ANS-10 ^4 - 10 ^8 Hz
Microwaves frequency - ANS-10^10 Hz
Infrared frequency - ANS-10^13 Hz
Visible light frequency - ANS-10^15 Hz
Ultraviolet frequency - ANS-10^16 Hz
X-rays frequency - ANS-10^18 Hz
Gamma rays' frequency - ANS-10^20 Hz
Radio waves - ANS-- Electromagnetic waves with the longest
wavelengths and lowest frequencies
- Emitted by radio and TV transmitters
- Used to send radio and TV programmes
- Detected by aerials and radios/TVs
Microwaves - ANS-- Emitted by radio transmitters, mobile
phones and microwave cookers
- Used to carry information and to cook food
- Can damage living tissue by heating it
- Detected by aerials and radios/mobile phones
Infrared radiation - ANS-- Emitted by warm and hot objects,
and by TV remote or car locks
EXCELLENT HOMEWORK HELP AND TUTORING ,ALL KIND OF QUIZ AND EXAMS WITH GUARANTEE OF A+
Am an expert on major courses especially; psychology, Nursing, Human resource Management and Mathemtics Assisting students with quality work is my first priority. I ensure scholarly standards in my documents and that's why i'm one of the BEST GOLD RATED TUTORS in Knoowy. I assure a GOOD GRADE if you will use my work.ALL THE BEST
aha pals aorn periop 101 ati comprehensive exit ati comprehensive predictor ati fundamentals proctored ati pharmacology ati pharmacology proctored ati pn comprehensive predictor ati rn leadership proctored ati rn med surg proctored emt health care healthcare hesi hesi exit hesi exit rn hesi health assessment hesi mental health hesi pn exit hesi rn exit ihuman case study med surg nclex rn nclex;readiness nursing
Jullie website is top! Het heeft me al veel geholpen. Zeker omdat ik thuis studeer!
Een goede site voor samenvattingen en leren. Ik kan iedereen aanraden om deze site te gebruiken.
Super hulp bij het studeren en bespaart veel kostbare tijd.
Ik verkoop samenvattingen om andere studenten te helpen en tegelijk wat bij te verdienen.
Het is heel fijn om via Knoowy extra ondersteuning te hebben bij het studeren door middel van samenvattingen van de lesstof.
Makkelijke site om veel samenvattingen en verslagen snel te vinden.
Ik vind Knoowy de max! Door de hulp van andere studenten kan ik mijn examens makkelijker halen.
Knoowy is zeker een fijn platform waar studenten goede samenvattingen kunnen vinden die ondersteunend werken voor het examen.