trắc quang
Definition
- Noun (Photometry):
- Photometry: A method or technique for measuring the intensity, brightness, or luminous flux of light sources or of illuminated objects. It is a branch of optics concerned with the measurement of visible light as perceived by the human eye.
Usage Examples
- Noun:
- Trắc quang là một phương pháp quan trọng trong vật lý ánh sáng. (Photometry is an important method in the physics of light.)
- Các nhà khoa học sử dụng phép trắc quang để đo cường độ ánh sáng của ngôi sao. (Scientists use photometry to measure the light intensity of a star.)
Advanced Usage
- "phép trắc quang": (the act of) photometric measurement, photometry.
- Phép trắc quang cho thấy độ sáng của vật thể này đã thay đổi. (The photometric measurement showed that the brightness of this object had changed.)
Variants and Related Words
- Trắc quang học (n): Photometrics, the science or study of photometry.
- Anh ấy chuyên nghiên cứu về trắc quang học. (He specializes in researching photometrics.)
Synonyms
- Photometry: The science of measuring visible light.
- Light measurement: The general act of measuring light properties.
Related Terms
- Quang học (n): Optics, the broader branch of physics that includes photometry.
- Đo sáng (v/n): To measure light / light measurement; a more general, sometimes less technical term.