JEE Main 2026 · Session 2 · Shift 1 · Physics
Question 45
A liquid drop of diameter 2 mm breaks into 512 droplets. The change in surface energy is α×10⁻⁶ J. The value of α is ____. (Take surface tension of liquid = 0.08 N/m)
- A. 10
- B. 7Correct answer
- C. 8
- D. 11
Not yet checked by a person: transcribed from the official question paper and matched against NTA’s official answer key by the question’s own ID on , never worked out independently. Spotted a mistake? Tell us and we’ll fix it. No explanation is published here yet.
Official source
Published by NTA. Last checked against this source on . Where the two disagree, the official notice is correct — tell us and we will fix it.
Question paper, page 18-19.