Physics was the science of matter and energy. Liz Shaw had a degree in physics. (TV: Spearhead from Space)

Grammar schools in 20th century Great Britain taught science as three separate courses: chemistry, physics and biology. In contrast, secondary modern schools taught science "all lumped together" in one course. (PROSE: Time and Relative)

The Tenth Doctor taught a physics lesson at Deffry Vale High School after his predecessor mysteriously received a winning lottery ticket. He started by repeating the word physics before questioning the class on the topic. The Krillitane oil ingested by the pupil Milo enabled him to gain an enhanced knowledge of physics. (TV: School Reunion)

Miss Quill taught physics in Class B3 at Coal Hill Academy, after she was left at Coal Hill by the Twelfth Doctor. (TV: For Tonight We Might Die, et al.) Tanya Adeola was particularly adept at this subject, while others in the class, such as Ram Singh, needed help to understand it. Miss Quill commented that Matteusz Andrzejewski looked pained when she wrote out an equation for the Gibbs probability density in a classical Klein-Gordon field. (TV: For Tonight We Might Die)

Bill Potts was tutored by the Twelfth Doctor on physics and astrophysics. (TV: The Pilot)

According to the Eleventh Doctor, he had walked in a universe where the laws of physics were devised by a madman. (TV: The Rings of Akhaten)

Vicki Pallister studied physics at the age of ten for an hour a week using a machine. (TV: The Web Planet)

Professor Sir Rupert Silverman was nominated for the Nobel Prize for Physics. (TV: The Eternity Trap)

A physics symposium was once held in Copenhagen. (PROSE: The Quantum Archangel)

A Time Lord author once disparagingly noted that the Laws of Time were little more than the laws of physics, merely uttered by Rassilon in a dramatic manner. (PROSE: A Brief History of Time Lords)