All living organisms emit a low level of light radiation, but the origin and function of these 'biophotons' are not yet fully understood. An ...

PSEB Punjab Board Class 12th Physics ... (b)Convex mirror. (c) Plane mirror. (d)Parabolic mirror (xi)The stopping potential depends upon: (a)Intensity on incident light. (b)Energy of incident ...

The most powerful spells in That Time I Got Reincarnated as a Slime showcase the immense magical abilities of Rimuru and ...

In a rare and extraordinary discovery, researchers have identified a unique configuration of galaxies that form the most ...

ICSE 2025 Physics Specimen Papers Class 10 ... total internal reflection. (vii) A convex lens has focal length 12 cm with an object at a distance of 20 cm in front of the lens.

Scientists have now devised a method to create a one-dimensional BEC using light, called a “photon gas.” A new study reveals ...

Einstein’s theories of relativity propose that forward time travel is theoretically feasible by nearing light speeds ... This exploration delves into the physics behind time travel, unravelling ...

Astronomers have found an incredible gravitational lens. Thanks to a chance alignment, a foreground cluster of galaxies has ...

The questions in this quiz are suitable for GCSE physics students studying convex and concave lenses, real and virtual images, magnification and colour. If you struggled with the quiz, don't panic ...