Waves length and properties

• Frequency (f) is measured in Hertz (Hz)
• Wave speed = frequency x wavelength.
• The wavelength is the distance between two consecutive peaks or troughs.
• Wavelength (λ) is the distance between two consecutive points on a wave that are in phase
• Velocity (v) is the speed at which waves travel through a medium or vacuum
• The amplitude of the wave is half the distance between the crest and trough.
• Amplitude is the maximum displacement of a point on an oscillating object from its equilibrium position.
• Transverse waves have oscillations perpendicular to the direction of travel, while longitudinal waves have oscillations parallel to the direction of travel.
• Transverse waves have oscillations perpendicular to the direction of energy transfer
• Frequency (f) is the number of complete cycles per second, measured in Hertz (Hz).
• In a transverse wave, particles move up and down, while in a longitudinal wave, they move back and forth.
• In a transverse wave, the energy travels along the wave, while in a longitudinal wave, it moves away from the source.
• Longitudinal waves have oscillations parallel to the direction of energy transfer
• A longitudinal wave has particles vibrate back and forth along the same line as the direction of propagation
• A wave can be described as either transverse or longitudinal based on how the particles vibrate relative to the direction of propagation.
• Wavelength (λ) is the distance between two consecutive points that are in phase with one another.
• Emg =electromagnetic spectrum
• The electromagnetic spectrum includes visible light, radio waves, microwaves, X-rays, gamma rays, ultraviolet radiation, and infrared radiation.
• Visible light is made up of different colors, including red, orange, yellow, green, blue, indigo, and violet.
• Radio waves are used for communication purposes such as broadcasting, cell phones, and WiFi signals.
• Radio waves have the longest wavelengths and lowest frequencies in the EM spectrum.
• X-rays are used for medical imaging and cancer treatment.
• Gamma rays also have high energy levels and are emitted by nuclear reactions and decay.
• Ultraviolet (UV) radiation has shorter wavelengths than visible light and is responsible for sunburns and skin damage.
• Freq = no of waves/time
• Wave speed = freq x ⅄ (lambda)
• G= x10;9
• M=x10;6 million
• K= x10;3
• Microwaves are use for heating up food phone and sending satellite signals
• Infrared waves are used for remote controls, night vision goggles, and satellite communication. They can cause burns
• Visible light is used for photography and can cause damage to the eyes.
• Ultra violet is used for detecting forgeries and sunbeds
• X-rays can cause damage to cells and cancer (same with gamma rays)
• Gamma rays are used for sterilisation medical equipment and food + cancer treatment
• All Emg waves are transverse waves, but not all transverse waves are Emg waves.
• All emg waves travel through a vacuum at the same speed, 300,000 km/s
• Longitudinal waves are sound and ultrasound
• Waves are methods to transfer energy from one place to another through vibrations