Electromagnetic Spectrum

Front

Infrared was discovered by whom and what year?

Back

William Herschel – 1800

Front

Applications of microwaves, EXCEPT one:

Heat Sources

,

Satellite

,

Thermal Imaging

,

Communications and Radar

Back

Thermal Imaging

Front

According to Encyclopedia Britannica, microwaves range from 30 centimeters to 1 millimeter.

Back

True

Front

Infrared radiation includes: I. Thermal Imaging II. Cool Astronomy III. Satellites IV. Seeing through dust

Back

I, II, IV

Front

What best describes this sentence: “Infrared waves have longer wavelengths than visible light and can pass through dense regions of gas and dust in space with less scattering and absorption."

Back

Seeing through dust

Front

Who is the person in the picture? Options: Sir Isaac Newton, Wilhelm Roentgen, Johann Ritter, Marie Curie

Back

Sir Isaac Newton

Front

What is the energy beyond the violet end of the visible spectrum?

Back

Ultraviolet

Front

What is the main offender in the feeling of destructive effects of the sun’s rage? Options: Infrared, Visible Light, Ultraviolet, All of the above

Back

Ultraviolet

Front

X-rays has two applications: Diagnostic and Therapeutic

Back

The statement is true

Front

In 1801, Johann Ritter conducted an experiment to investigate the existence of energy beyond the violet end of the visible spectrum. Knowing that photographic paper would turn _______ more rapidly in ______ light than in ______ light.

Options: BLACK, BLUE, RED

Back

BLACK, BLUE, RED