Light with a wave length of 5*10^-7 m strikes a surface that requires 2 ev to eject an electron. Calculate the energy, in electron volts, of one incident photon.
The MURL contract for deed requires homebuyers to make a monthly payment equivalent to 25 percent or more of their gross monthly income. (This is generally a good deal, considering that recipients of Section 8 federal housing assistance pay 30 percent of gross monthly income.)
DEFINITION of 'Deed'. A legal document that grants the bearer a right or privilege, provided that he or she meets a number of conditions. In order to receive the privilege - usually ownership, the bearer must be able to do so without causing others undue hardship.