(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 Class 12 Physics Chapter 13 Nuclei Solutions: With the 2025 board exams approaching fast, it’s time for students to review the syllabus and start practising questions and sample papers. This ...

CBSE Class 12 Physics Revision Notes: CBSE Class 12 Physics Notes are important study materials for students preparing for ...

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) ...