Electromagnetic Spectrum

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, which includes radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Front

Which type of electromagnetic wave has the longest wavelength?

Back

Radio Waves have the longest wavelength in the electromagnetic spectrum.

Front

Which type of electromagnetic wave has the lowest energy?

Back

Microwaves have the lowest energy among the given options.

Front

What is the correct order of electromagnetic waves from longest wavelength to shortest?

Back

Radio, Micro, Infrared, Visible, Ultraviolet, X-ray, Gamma.

Front

How do electromagnetic waves differ from mechanical waves?

Back

Electromagnetic waves can travel through empty space, while mechanical waves require a medium to travel.

Front

What section of the electromagnetic spectrum can humans see?

Back

Visible Light is the only section of the electromagnetic spectrum that humans can see.

Front

What is the relationship between wavelength and frequency in electromagnetic waves?

Back

Wavelength and frequency are inversely related; as the wavelength increases, the frequency decreases.

Front

What type of electromagnetic radiation is used in microwave ovens?

Back

Microwaves are used in microwave ovens to heat food.

Front

What is infrared radiation commonly used for?

Back

Infrared radiation is commonly used in remote controls and thermal imaging.

Front

What are gamma rays known for?

Back

Gamma rays are known for their high energy and penetrating power, often used in cancer treatment.