BSEB Class 12 Chemistry Exam Analysis 2025: Question Paper Review, Answer Key & Students’ Reactions
The BSEB Class 12 Chemistry Exam was held on February 7, 2025, from 9:30 AM to 12:45 PM. Get a detailed exam review, student ...
BSEB Class 12 Chemistry Question Paper 2025, All SETs Download PDF
The Bihar Board of Secondary Education (BSEB) exams have started from February 1, 2025 (Saturday). The first exam was for ...
Bihar Board 12th Chemistry Answer Key 2025, Download PDF - All SETs
The answer key for the Class 12th Chemistry exam 2025, conducted by the Bihar School Examination Board (BSEB), will be ...
Scientists achieve optical control of phase and group velocities in everyday liquids
The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in vacuum. However, in so-called epsilon-near-zero (ENZ) materials, light exhibits ...