The Jharkhand Academic Council has declared the JAC Class 12 Result 2025 on May 31, 2025. Candidates who have appeared for Class 12 board examination from Science, Commerce stream can soon check ...

The Punjab School Education Board (PSEB) is set to announce the Class 12 board exam results for 2025 tomorrow, May 14. Students who appeared for the Class 12 exams can check their results and ...

Central Board of Secondary Education has declared CBSE Class 12th Result 2025. Candidates who have appeared for the Class 12 board examination in the country can check the results on the official ...

The Chhattisgarh Board of Secondary Education (CGBSE) has announced the 2025 results for Class 10 and 12 exams. The Class 10 pass percentage stands at 76.53%, while 81.87% of students cleared the ...

ISC Class 12th Physics Answer Key 2025 ... If kinetic energy of moving electrons is made four times, then their de Broglie wavelength becomes: (a) eight times. (b) four times.

Haryana Board Class 12th Physics Question Paper 2025 ... Which of the following has the longest de-Broglie wavelength, if they are moving with the same velocity? (A) Proton (B) Neutron (C ...

The Central Board of Secondary Education (CBSE) has concluded the Class 12 physics paper on February 21 ... including stopping potential and intensity variations. – De Broglie wavelength, binding ...

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 ...

Five years after presenting his revolutionary theory, in 1929, Louis de Broglie was awarded the Nobel Prize in Physics for his groundbreaking contribution, which remains fundamental to modern ...

The questions are designied chapter-wise for all the major subject of class 12th ... Radius of the orbit in terms of de Broglie wavelength is given as nλ/2π In going from lower to higher ...