| 1. photometer | |
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Measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
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روشنی کی شدد کے ناپنے والا آلہ۔ ضیا پیما۔ |
| 2. photometer [ Synonyms: exposure meter, light meter] | |
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Photographic equipment that measures the intensity of light
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روشنی کی شدد کے ناپنے والا آلہ۔ ضیا پیما۔ |