Download CBSE Class Physics 12 Pre-Board Sample Papers 2025–26 with solutions for all subjects in free PDF format. These papers are curated by experts as per the latest CBSE syllabus and exam pattern.

Explore the multifaceted concept of the prism, illustrating how it reflects the interplay between perception, light, and ...

In the context of the continuous development of high-speed optical communication, on-chip optical information processing is regarded as the core of ...

Researchers from the University of Southern California Information Sciences Institute and the University of Wisconsin-Madison ...

Terahertz photonic crystal fiber sensors, powered by machine learning, could transform tuberculosis detection with rapid and ...

Essential cogs in our digitized economies and the development of new technologies, semiconductors and their manufacturing ...

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Monitoring trace gases with high sensitivity and selectivity is essential for environmental safety and smart monitoring systems.

Abstract: Owing to the effects of atmospheric refraction, the path of light propagation is bent, making the three-point collinear principle inapplicable and influencing the geometric accuracy of ...

Refraction is the change in the direction of light due to a change in its speed as it enters a different medium. While the speed of light is constant in a vacuum, it decreases in denser materials, ...