Snapsolve any problem by taking a picture. Try it in the Numerade app?
Question
Define principal focus.
Instant Answer
Step 1
The principal axis of a lens is the line passing through the center of the lens. Show more…
Show all steps
Narayan Hari and 51 other Physics 102 Electricity and Magnetism educators are ready to help you.
Ask a new question
Recommended Videos
What is principal?
Exponents and Polynomials
The Power Rules
Transcript
Watch the video solution with this free unlock.
Not finding what your looking for? Here are some other ways we can help!
Generate practice questions
Explain a concept
Create a study plan
EMAIL
PASSWORD