Please answer question 1 a j will mark u brainlist

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

The energy produced as a result of this flow of electrons from atom to atom is called