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

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, and vice versa. This relationship is described by the equation: speed = wavelength × frequency.

Front

Which type of electromagnetic radiation has the highest energy?

Back

Gamma rays have the highest energy in the electromagnetic spectrum.

Front

What color of visible light has the highest frequency?

Back

Violet light has the highest frequency among visible light colors.

Front

What is the unit of frequency?

Back

The unit of frequency is hertz (Hz), which is equivalent to cycles per second.

Front

What is the flame color of copper in a flame test?

Back

Copper produces a green flame in a flame test.

Front

Which electromagnetic waves have a longer wavelength than visible light?

Back

Radio waves and microwaves have longer wavelengths than visible light.

Front

What is the unit for measuring wavelength?

Back

The unit for measuring wavelength is meters (m).

Front

Which color of light has the lowest energy?

Back

Red light has the lowest energy among visible light colors.

Front

What type of electromagnetic radiation is used in medical imaging?

Back

X-rays are commonly used in medical imaging.