IB Physics-Paper 1 - Theme C- Waves- and waves-Part#2

[@businessman2958]

If I am not wrong, your question 26 is wrong. The question doesnt ask for: λ1/λ3, they ask for L1/L3. So your answer should be 1/3. Am I mistaken here?

[@jeyakumari]

Heyy linda, i want to ask if the question 28 is from hl or sl syllabus of ib physics??

[@baqi1]

can you provide the pdf of this

[@ib-physics-exams]

drive.google.com/file/d/1OrD5ceYtMWl-xdSJJmkW8u9qZ4CWHj5a/view?usp=sharing

[@baqi1]

@@ib-physics-exams thank you so much