A visible light emits light with a wavelength of 4.00x10^-7m.
Use Planck’s equation to calculate the energy of a single photon with the given wavelength.

a) 4.97x10^-19J
b) 8.84x10^-34J
c) 2.65x10^-26J
d) 8.84x10^-49J

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?