The amount of heat produced by light incident upon an object depends on the material properties. Some wavelengths will be reflected, some absorbed, and some transmitted. As you point out, the associated energy of the photon is important in determining what sort of interaction will take place.
1 This can cause spotting after menopause. 2  10% of all cases of spotting after menopause are caused by endometrial hyperplasia. 3  Spotting after menopause may also be a symptom of endometrial cancer or cervical cancer. 4  Another reason for spotting after menopause may be the growth of fibroids or polyps in the uterus. This can cause spotting after menopause. 2  10% of all cases of spotting after menopause are caused by endometrial hyperplasia. 3  Spotting after menopause may also be a symptom of endometrial cancer or cervical cancer. 4  Another reason for spotting after menopause may be the growth of fibroids or polyps in the uterus.
Hormonal causes of vaginal bleeding after menopause. Vaginal bleeding after menopause can also be caused by hormonal imbalances including: Adrenal dysfunction. Changes in levels of estrogen or progesterone. Complications from hormone therapy. Hyperthyroidism (overactive thyroid). Hypothyroidism (underactive thyroid).