Blue light has frequency 6.0 × 10^14 Hz. Calculate one photon's energy using h = 6.63 × 10^-34 J s.

3.98 × 10^-19 J, about 4.0 × 10^-19 J. Use E = hf. E = 6.63 × 10^-34 × 6.0 × 10^14. E = 3.978 × 10^-19 J, which rounds to 4.0 × 10^-19 J.

MYP Physics · 12 · free response

Blue-light photon energy

Electromagnetic spectrum · Original GioPhysics question with a detailed, mark-by-mark answer guide.

Question5 marks

Task interpretation

Develop a connected physics argument and support each claim with a relationship, calculation, or observation.

Split the problem into linked stages and state why each relationship applies.

Your working or explanation Private and unsaved

Ready to check?Reveal answer and worked solution

Private on this device

Compare your work with the guide. This is your own rating, not an awarded exam mark.