Online test and quizzes are fantastic tools for self assessment. Through them students can check their preparedness while sitting at home. Jagranjosh brings free online chapter tests for engineering ...

Similar to the human larynx, a bird’s vocal organ – or syrinx – consists of folds of tissue in the passage that connects the lungs to the throat. As the bird expels air, these folds open and close to ...

Physics of Sound Harmonics and The Unified Theory Theoretical physicist Brian Greene, best known for his work on string theory, explains how music might have the answer we need to find a unified ...

With the advent of ultrashort pulsed laser sources time resolved ultraviolet photoelectron spectroscopy (TR-UPS) has become one of the most advanced tools to investigate femtosecond electron dynamics ...

High-order harmonic generation from atoms ionized by femtosecond laser pulses has been a promising approach for the development of coherent short-wavelength sources. However, the realization of a ...

Imagine plucking a guitar string. It vibrates, the sound lingers, and then fades away as the energy drains into the air. Now bring this scene down to the scale of an atom. Can an atom vibrate in the ...