photometer मीनिंग इन हिंदी

[ fəu'tɔmitə ]

संज्ञा
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Reflected light was measured using a pyrometer lamp as a photometer.
It may also be measured with a photometer lowered into the water.
Ritchie's photometer depended on equal illumination of surfaces.
The photometer measured in the 7 band Geneva photometric system.
:: : A photometer is a fairly common item.
The optical depth of the atmosphere can be measured with a sun photometer.
The photometer, devised by Beer, is shown in the gallery below.
This included new types of calorimeter and photometer detectors.
In filter photometers, optical filters are used to give the monochromatic light.
He led the Multiband Imaging Photometer ( MIPS ) instrument team for Spitzer.

संज्ञा.

photographic equipment that measures the intensity of light
पर्याय: light meter, exposure meter
measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source