CBSE Class 12 Physics exam will be held on Friday, February 21, 2025. The CBSE 12th Physics paper will begin at 10.30 am on February 21, and conclude at 1.30 pm. This year, over 17.88 lakh students ...

CBSE Board Exams 2025: The Central Board of Secondary Education (CBSE) 12th board examinations are ongoing. These exams started on February 15, 2025 (Saturday). The upcoming difficult exam is coming ...

Jon Chase explains the scale of the solar system and universe using simple demonstrations at a shopping centre and race track. He explains the Doppler effect and introduces red-shift and cosmic ...

Greg Foot discovers why the sky is blue. He explains that outside the Earth’s atmosphere space looks black, but from the Earth’s surface the sky looks blue. He investigates this effect by launching a ...