Mass is transferred from a normal star in a close binary system toward a white dwarf. the material that is transferred to the white dwarf forms a rapidly growing whirlpool of material known around the white dwarf known as a

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

What can you increase the strength of an electromagnet by