11th grade Light as a wave and as a particle worksheet

Light as a wave and as a particle

Grade 11 Science Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. 1.

   With hc = 1239.84 eV·nm, what energy does one photon of 620 nm light carry, to the nearest hundredth, Ari?
2. 2.

   With hc = 1239.84 eV·nm, what energy does one photon of 413 nm light carry, to the nearest hundredth, Bo?
3. 3.

   With hc = 1239.84 eV·nm, what energy does one photon of 500 nm light carry, to the nearest hundredth, Esme?
4. 4.

   In the photon diagram, what energy does the photon from the n = 3 to n = 2 drop carry, Jun?

   • 13.6 eV
   • 4.91 eV
   • 1.89 eV
5. 5.

   Light through two narrow slits makes bright and dark bands. Which model explains this best, Milo?

   • The wave model
   • Neither model
   • The particle model
6. 6.

   Light knocks electrons out of a metal only above a certain frequency. Which model explains this best, Noah?

   • The photon model
   • The wave model
   • Neither model
7. 7.

   Which statement about light do physicists accept, Pia?

   • It acts like a wave in some cases and like particles in others
   • It is a stream of tiny balls of matter
   • It is a wave with no particle behavior
8. 8.

   Which carries more energy per photon: blue light or red light, Ren?

   • Red light
   • They are the same
   • Blue light
9. 9.

   A red lamp is made brighter. What changes about its light, Tala?

   • More photons each second
   • The light turns blue
   • Each photon carries more energy
10. 10.

    What sets the energy of a single photon, Zee?

    • The lamp's brightness
    • How far it travels
    • Its frequency