Radio waves have the longest wavelength and lowest frequency in the electromagnetic spectrum.

Microwaves are used in microwave ovens to heat food by exciting water molecules.

Infrared waves are used in remote controls to send signals to electronic devices.

Gamma rays are used in cancer treatment to kill cancer cells.

Visible light is used in photography to capture images.

Infrared waves are used in night vision devices to allow people to see in the dark.

Ultraviolet waves are used in astronomy to study the composition of stars by analyzing the light they emit.

Radio waves are used in telecommunications to transmit signals over long distances.

Microwaves are used in radar systems to detect objects by bouncing signals off them.

Visible light is used in fiber optic communication to transmit data over long distances.

X-rays are used in medical imaging techniques like X-rays and CT scans to produce images of the inside of the body.

Gamma rays are used in particle accelerators to accelerate charged particles to very high energies.

Infrared waves are used in spectroscopy to study the chemical composition of substances by analyzing the absorption and emission of infrared radiation.

Microwaves are used in astronomy to study the cosmic microwave background radiation, which is the remnant radiation from the Big Bang.

Visible light and infrared waves are used in remote sensing to collect data about the Earth's surface, such as land cover, vegetation, and water resources.