r/learnphysics is a subreddit with 18k members. The most common kinds of discussions are advice requests and self-promotion, and the community frequently discusses physics, mechanics, energy, math, and quantum.
Popular Themes in r/learnphysics
#1
Advice Requests
: "Best combo of free online courses to replace BSc degree in Physics?"
19 posts
#2
Self-Promotion
: "I made a new page for ukrainian physics learners"
2 posts
#3
Ideas
: "Ideas for a group physics project (11 students, until May)?"
1 post
Popular Topics in r/learnphysics
#1
Physics
: "Best combo of free online courses to replace BSc degree in Physics?"
241 posts
#2
Mechanics
: "Title: Beginner self-studying quantum Mechanics looking for guidance."
43 posts
#3
Energy
: "Deriving Bernoulli’s Equation Using Differential Form of Energy Conservation "
17 posts
#4
Math
: "Physics books-which physics books are good for high schoolers, interested in physics, containing both conceptual understanding and some Math? (Please keep the Math limited to algebra, trigonometry and geometry)"
17 posts
#5
Quantum
: "Title: Beginner self-studying Quantum mechanics looking for guidance."
16 posts
#6
Learning
: "Book recommendation for self Learning physics and chemistry"
11 posts
#7
Motion
: "Hard time understanding uniform movement."
9 posts
#8
Books
: "Books recommendations"
8 posts
#9
Mathematics
: "The Beautiful Mathematics of the Coffee Cup Caustics"
8 posts
#10
Relativity
7 posts
Member Growth in r/learnphysics
Yearly
+8k members(73.5%)
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About
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Last updated: June 23, 2026