(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 ...

1. In an n-type silicon, which of the following statements is true: (a) Electrons are the majority carriers and trivalent atoms are the dopants. (b) Electrons are minority carriers and pentavalent ...

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 ...

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 ...

The CBSE Class 12 Physics board exam 2025 is set for February 21. To prepare effectively, students should rely on textbooks, sample papers, and previous years' question papers. Shailendra Pandey from ...

The CBSE has announced the Class 12 Physics exam date for February 21, 2025. With less than three months left, students are preparing rigorously. Shailendra Pandey, Faculty at Physics Wallah, has ...

CBSE Class 12 Physics Paper Analysis 2025 Highlights: The Class 12 Physics paper was held from 10:30 am to 1:30 pm. Check paper analysis below. CBSE Class 12 Physics Paper Analysis 2025 Highlights: ...

CBSE Board 2026 Physics Exam Highlights: The Central Board of Secondary Education (CBSE) conducted examinations for Classes 10 and 12 on the fourth day on Friday. The exams for Class 10 papers, Beauty ...

The ISC Class 12 Physics Board Exam 2026 was successfully conducted today, March 16, 2026, from 2:00 PM to 5:15 PM. This ...