If monochromatic light passes from water into air with an angle of incidence of 35 degress which characteristic of light will remain the same

In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

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