(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 has launched free Class 12 Physics MOOCs on the Government of India’s SWAYAM platform, providing students across India, including those in rural and remote areas, access to high-quality science ...

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) ...

CBSE Class 12 Physics Revision Notes: CBSE Class 12 Physics Notes are important study materials for students preparing for the CBSE Class 12 Physics board exam 2026. These notes are also useful for ...

The National Council of Educational Research and Training (NCERT), under the Ministry of Education, has announced a free online Physics course for Class 12 students on the SWAYAM platform. The ...

CBSE Class 12 Physics is considered one of the most scoring yet conceptually demanding subjects in the board exams. The CBSE Class 12 Board Exams 2026 are scheduled to be held from 17 February 2026 to ...