A light source emits a beam of photons, each of which has a momentum of 2.7 * 10-29 kg·m/s. (a) what is the frequency of the photons? (b) to what region of the electromagnetic spectrum do the photons belong?

Suggest and explain two ways to reduce heat loss through the doors of the house.

What is the importance of the International Space Station?

Colonist who belived in complete

Approximately how much electrical energy does a 5-W light bulb convert to radiant or thermal energy in one hour

In water what happens to a base? It condensates It forms hydrogen ions (H+) It forms hydroxide ions (OH-) It evaporates I'm not sure if it's B or C. I'm confused between the two

Three resistors, R1 = 10 Ω, R2 = 20 Ω and R3 = 30 Ω are connected in series to a 12 V battery. Find: a. The equivalent resistance of the circuit. b. The current in each resistor. c. The voltage across each resistor. d.

What are the basic rules of basketball? Are the rules different for men's versus women's competition?

A note is being played on a string on a guitar. The string is then pushed to the side while still in contact with the same fret. What happens to the frequency of the note then played compared to the original note?

What would you predict about a chemical that has a hydrogen ion concentration of 1 * 10-12 M? It will form salt and water when added to a base. It contains no hydroxide ions. It has high concentration of hydroxide ions. It has a sour taste.

What are the three theories of light?