NCERT Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter ... Find the (a) maximum frequency, and (b) the minimum ...

Four-wave mixing A weak optical signal (red) from a spacecraft transmitter can be amplified noise-free when it encounters two pump waves (blue and green) in a receiver on Earth. (Courtesy: Chalmers ...

On September 26, 2024, NASA observed atmospheric gravity waves generated by Hurricane Helene over Florida. This data, ...

Board exams are around the corner and it is time for the students to revise the syllabus and start practising the questions ...

When light hits the surface of some materials, namely those exhibiting a property known as photoresistance, it can induce ...

This week, researchers hypothesized that human culture is distinguished from cultures of other species like whales by unique ...

New research has unveiled a previously unacknowledged effect of Einstein’s relativity theory similar to time dialtion and ...

Astrophysicists have developed a method to detect light echoes from black holes, potentially revolutionizing the measurement ...