Table of Contents
- 1 What electromagnetic waves are used for communication?
- 2 What type of electromagnetic wave is broadcasting?
- 3 What type of wave is used to transmit cell phone data?
- 4 How electromagnetic waves works in mobile phone technology?
- 5 What wavelength do cell phones emit?
- 6 What is communication discuss various types of communication?
- 7 Which is the most energetic type of electromagnetic wave?
- 8 Which is a special type of longitudinal wave?
What electromagnetic waves are used for communication?
Radio waves are used for communication such as television and radio. Radio waves are transmitted easily through air.
What type of electromagnetic wave is broadcasting?
Radio waves
Radio waves are a type of electromagnetic radiation best-known for their use in communication technologies, such as television, mobile phones and radios. These devices receive radio waves and convert them to mechanical vibrations in the speaker to create sound waves.
What type of wave is used to transmit cell phone data?
Electromagnetic waves
They result from the combination of two waves, one magnetic and the other electric, which propagate at the speed of light. Electromagnetic waves are used in particular to transmit and receive signals from mobile phones and their base stations.
What type of electromagnetic radiation is used for cell phones?
radio frequency
Cell phones emit low levels of non-ionizing radiation while in use. The type of radiation emitted by cell phones is also referred to as radio frequency (RF) energy.
What wavelengths do cell phones use?
Cell phones use radio waves to communicate with cell towers, and these waves have wavelengths of approximately 10-1000 m, which are much too large to be ionizing. WiFi actually operates at quite precise frequencies, either 2.4 GHz or 5 GHz, which correspond to wavelengths of either 12 cm or 6 cm.
How electromagnetic waves works in mobile phone technology?
Cell phones use radio waves to communicate. Radio waves transport digitized voice or data in the form of oscillating electric and magnetic fields, called the electromagnetic field (EMF). The waves can be absorbed and reflected by surrounding objects before they reach the nearest cell tower.
What wavelength do cell phones emit?
What is communication discuss various types of communication?
Communication can be categorized into three basic types: (1) verbal communication, in which you listen to a person to understand their meaning; (2) written communication, in which you read their meaning; and (3) nonverbal communication, in which you observe a person and infer meaning.
How are radio waves used in the electromagnetic spectrum?
Radio waves are commonly used for audio communications (i.e., for radios), but the term is used for electromagnetic waves in this range regardless of their application. Radio waves typically result from an alternating current in the wires of a broadcast antenna.
Which is the second lowest frequency in the electromagnetic spectrum?
Microwaves are the second-lowest frequency waves in the EM spectrum. Whereas radio waves can be up to miles in length, microwaves measure from a few centimeters up to a foot. Due to their higher frequency, microwaves can penetrate obstacles that interfere with radio waves such as clouds, smoke and rain.
Which is the most energetic type of electromagnetic wave?
Gamma Rays: Nuclear Energy. Gamma waves are the highest-frequency EM waves, and are emitted by only the most energetic cosmic objects such pulsars, neutron stars, supernova and black holes. Terrestrial sources include lightning, nuclear explosions and radioactive decay.
Which is a special type of longitudinal wave?
Transverse waves are a special type of longitudinal wave. A wave a frog would make jumping up and down on a lily pad. Which of the following is the same for all kinds of electromagnetic waves?