For a metal of work function 6.6 eV , which of the following wavelengths of incident radiation does not give rise to the photoelectric effect? (Take Planck's constant as 6.6 10 -34 J s )

  1. A. 200 nm
  2. B. 100 nm
  3. C. 50 nm
  4. D. 150 nm

Attempt this NEET 2026 Physics question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.