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Ali's Physics stuff
waves and particles
| Question | Answer |
|---|---|
| Which theory, waves or particles of light, is the one that scientists currently believe is correct? | wave particle duality |
| What's Planck's constant? | 6.63*10^-34 |
| If th efrequency of a wave is "f", the energy of the photons in it is given by the relationship...... | E=hv |
| Angle of incidence equals to..... | Angle of reflection |
| What is meant by Diffraction? | the interaction between waves and solid obstacles |
| What are the packets of energy called? | Photons |
| What is the principle of superposition | Where 2 or more waves meet, the total displacement at any point is the sum of the displacements that each individual wave would cause at that point |
| Waves can be classified into.... and.... | progressive and stationary |
| What does the top of a wave called | crest |
| two types of waves are | transverse and longitudinal |