PDF for physics from the official Punjab Board website. Access chapter-wise details for physics with the link to download the ...

News Published: 26 June 1926 The Light-Quantum Theory C. D. ELLIS Nature 117, 895–897 (1926) Cite this article ...

Newton’s conjecture that light consists of particles was replaced by the wave theory of light pioneered by Young and Fresnel, which found additional support from Maxwell in 1865, who postulated ...

Syllabus: The NTA has put the official JEE Main 2026 Syllabus online on their website: jeemain.nta.nic.in. If you're planning ...

New observations from the James Webb Space Telescope (JWST) suggest the cosmos may be much older than once believed. For decades, scientists have held that the universe is about 13.8 billion years ...

Recent physics studies have found that light can sometimes flow in unexpected ways, behaving like a so-called "superfluid." ...

Traditional medical tests often require clinical samples to be sent off-site for analysis in a time-intensive and expensive ...

The theory predicts that the combined effect of three focused laser pulses can alter virtual particles in vacuum, generating a fourth laser beam in a “light from darkness” process. “This is ...

Take, for instance, quantum entanglement, which says that the state of one particle can be determined by examining the state ...