The Central Board of Secondary Education (CBSE) will conduct the Class 12 Physics exam on February 20, 2026. For many ...

Follow the steps below to download the CBSE Time Table 2026 PDF for Classes 10 and 12 from the official CBSE website: Visit the official CBSE website: Go to cbse.gov.in. Click on the “Main Website” ...

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\ ...