Lernkarten

Karten 151 Karten
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Sprache English
Stufe Universität
Erstellt / Aktualisiert 01.11.2017 / 27.01.2018
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15 Exakte Antworten 59 Text Antworten 77 Multiple Choice Antworten
Fenster schliessen

1: Which UV light is typically most harmfull for human skin outside, at sea level during the day?

UV-A (315 - 400 nm)

UV-B (280 - 315 nm)

UV-C (100 - 280 nm)

Fenster schliessen

1: How is UV light classified into A, B and C?

Based on their energy rations relativ to IR light

Based on their biological effect

Based on their chemical effect

Based on their ozone generating effect

Fenster schliessen

1: The energy of light ...

is increasing linearly with wavelength (i.e. monochromatic red light has most energy)

is increasing linearly with frequency (i.e. monochromatic blue light has most energy)

is constant in the visible range

depends nonlinearly on both wavelength and frequency

is increasing exponentially with wavelength (i.e. monochromatic red light has most energy)

Fenster schliessen

1: The range of the wavelenghts of visible light ranges from --- to --- .

400 - 770 nm

Fenster schliessen

1: The range of wavelengths of ultraviolet (UV) Light ranges from --- to ---.

100 - 400 nm

Fenster schliessen

1: The range of wavelengths of near infrared (IR) light ranges from --- to ---.

770 - 1400 nm

Fenster schliessen

1: The human photopic luminosity function V (lambda) is obtained through

psychophysical tests of the perceived relative intensity of light of different wavelengths

psychophysical tests of the objective relative intensity of light of different wavelengths

physiological tests of the relative intensity of light of different wavelengths

physiological measurements of the L-, M- and S- cone absorptions as a function of wavelength

Fenster schliessen

1: If you want to measure optic radiation as a vision scientist in terms of perceived brightness you tipically are interested in

radiometry

photometry

colorimetry