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.

Caffeine is a natural stimulant. Some studies claim it interferes with the absorption of iron, but research is mixed. In addition to helping you start your day in the morning, consuming caffeine has ...

Passive, lossy materials with positive index at real frequencies can be used to realize optical antimatter under complex frequency excitation. Our approach enables arbitrary complex \(\epsilon ,\,\mu\ ...

The museum's exit is hidden behind a shipment container close to the main staircase. The container should be highlighted when using your scanner—open it and lead Myers through the subway tunnels.

Here’s what you’ll learn when you read this story: For more than 50 years, scientists theorized that an electromagnetic wave could be reflected temporally—not just spatially. Scientists have been ...

This paper presents a temperature measurement technique that can be used to analyze the production and transfer of heat stemming from aqueous solution reactions in microfluidic chips. Temperature ...