Physics · Mathematical Physics
Which of the following identities is NOT true regarding the Dirac delta function δ(x) and its nth derivative δ(n)(x)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1xmδ(n)(x) = (-1)n n!(n - m)! δ(n - m)(x) if m ≤ n✓
- 2xmδ(n)(x) = (-1)m n!(n - m)! δ(n - m)(x) if m ≤ n
- 3xmδ(n)(x) = (-1)n n!δ(x) if m = n
- 4xmδ(n)(x) = 0 if m > n
Correct answer
xmδ(n)(x) = (-1)n n!(n - m)! δ(n - m)(x) if m ≤ n
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Mathematical Physics MCQs →Want more practice questions on Mathematical Physics?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Mathematical Physics