Use app×
Ask a Question
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause

← Prev Question Next Question →
0 votes
3.4k views
in Physics by (40.7k points)

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photo-electron emission from this substance is approximately

(a) 540 nm 

(b) 400 nm 

(c) 310 nm 

(d) 220 nm

Play Quiz Game >

Please log in or register to answer this question.

1 Answer

+1 vote
by (30.7k points)
edited by

Correct Option (c) 310 nm 

Explanation:

← Prev Question Next Question →

Find MCQs & Mock Test

  1. JEE Main 2025 Test Series
  2. NEET Test Series
  3. Class 12 Chapterwise MCQ Test
  4. Class 11 Chapterwise Practice Test
  5. Class 10 Chapterwise MCQ Test
  6. Class 9 Chapterwise MCQ Test
  7. Class 8 Chapterwise MCQ Test
  8. Class 7 Chapterwise MCQ Test

Related questions

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

User Contribution to Sarthaks eConnect
Managed by Sarthaks Digitizing India
...