photometric method meaning in Hindi

Examples

1. They used photometric methods to obtain new values for the luminosity of the Cepheids.
2. The DPHE labs use the spectro photometric method to test water samples, he said.
3. While there, he and four assistants extensively mapped the southern hemisphere skies using newly developed photometric methods.
4. Total silica determination in water employs high resolution ICPMS, GFAA ( graphite furnace atomic absorption ), and the photometric method combined with silica digestion.