Electromagnetic waves IB DP Physics Study Notes - 2025 Syllabus
Electromagnetic waves IB DP Physics Study Notes
Electromagnetic waves IB DP Physics Study Notes at IITian Academy focus on specific topic and type of questions asked in actual exam. Study Notes focus on IB Physics syllabus with Students should understand
the nature of electromagnetic waves
Standard level and higher level: 3 hours
Additional higher level: 4 hours
- IB DP Physics 2025 SL- IB Style Practice Questions with Answer-Topic Wise-Paper 1
- IB DP Physics 2025 HL- IB Style Practice Questions with Answer-Topic Wise-Paper 1
- IB DP Physics 2025 SL- IB Style Practice Questions with Answer-Topic Wise-Paper 2
- IB DP Physics 2025 HL- IB Style Practice Questions with Answer-Topic Wise-Paper 2
The nature of electromagnetic waves
- All of us are familiar with light. But visible light is just a tiny fraction of the complete electromagnetic spectrum.
- In free space (vacuum), all electromagnetic waves travel with the same speed v = 3.00×108 m s-1.
- We use the special symbol c for the speed of light.
PRACTICE:
The wavelength of a particular hue of blue light is 475 nm. What is its frequency?
Solution:
1 nm is 1×10 -9 m so that λ = 475×10 -9 m.
c = λf so that 3.00×108 = (475×10 -9)f.
f = 6.32×1014 Hz.