(b) the minimum wavelength of X-rays produced by 30 kV electrons. 2. The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons emitted? 3 ...

NCERT Solutions for Class 12 Physics Chapter 6: Physics is considered to be one of the toughest subjects. It is not unusual for students to get afraid of it. Consistent practice is key to mastering ...

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

CBSE Class 12 Physics exam will be held on Friday, February 21, 2025. The CBSE 12th Physics paper will begin at 10.30 am on February 21, and conclude at 1.30 pm. This year, over 17.88 lakh students ...

The NCERT course aims to bridge learning gaps and provide affordable access to quality education. NCERT Free Online Physics Classes: The National Council of Educational Research and Training (NCERT) ...