Which has a higher energy : …
Which has a higher energy : a photon of red light with wavelength of 7500 A° or a photon of green light with wavelength 5250 A° ?
Posted by Harshika . 6 months, 1 week ago
- 2 answers
A compound is found to contain 23.3% magnesium, 30.7% sulphur, and 46.0% oxygen. What is the empirical formula of this compound? [ATOMIC MASS OF Mg, S and O : 24u,32u,and 16u respectively
Posted by R Padmavathi 1 month, 2 weeks ago
- 1 answers