Navigation Menu
Home News Blog
ISSB Initial Tests 2026 Academic Test Physics The Dawn of Modern Physics Free Quiz 3
General
ISSB Initial Tests 2026 Academic Test Physics The Dawn of Modern Physics Free Quiz 3
Practice ISSB Initial Tests 2026 Academic Test Physics MCQs from The Dawn of Modern Physics. Get instant results with Explanation.
Practice Quiz 3 for "The Dawn of Modern Physics" (Physics). Total 28 MCQs available, split into 3 quizzes. Challenge yourself with advanced application-based questions. Mastering these concepts is essential for securing a high percentile in ISSB Initial Tests.
General4 MCQs
21. The ultraviolet catastrophe was resolved by:
22. The general theory of relativity deals with:
23. The rest mass of a photon is:
24. The uncertainty principle was proposed by:
General4 MCQs
25. The product of uncertainty in position and momentum is at least:
26. Photoelectric emission is an instantaneous process because:
27. The energy of a photon of wavelength 500 nm is approximately:
28. The de Broglie wavelength of an electron accelerated through a potential V is:

📋 ISSB Initial Tests - Test Online Practice Quizzes

ISSB Initial Tests

Conducting Body: Pak Army - Navy - PAF
Frequency: Bi-annual | Time: 150 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 100 MCQs):

Merit Formula: Typically, merit is determined based on: ISSB Recommendation + Initial Test Performance + Academic Record + Medical Fitness. However, the Armed Forces may revise their selection criteria from time to time. Please confirm the official merit criteria before applying.