Browse by Stream
-
Engineering and Architecture
Exams
Colleges
Predictors
Resources
-
Computer Application and IT
Quick Links
Colleges
-
Pharmacy
Colleges
Resources
-
Hospitality and Tourism
Colleges
Resources
Diploma Colleges
-
Competition
Other Exams
Resources
-
School
Exams
Top Schools
Products & Resources
-
Study Abroad
Top Countries
Resources
-
Arts, Commerce & Sciences
Colleges
Upcoming Events
Resources
-
Management and Business Administration
Exams
Colleges & Courses
Predictors
-
Learn
Law Preparation
MBA Preparation
Engineering Preparation
Medical Preparation
-
Online Courses and Certifications
Top Streams
Specializations
- Digital Marketing Certification Courses
- Cyber Security Certification Courses
- Artificial Intelligence Certification Courses
- Business Analytics Certification Courses
- Data Science Certification Courses
- Cloud Computing Certification Courses
- Machine Learning Certification Courses
- View All Certification Courses
Resources
-
Medicine and Allied Sciences
Colleges
Predictors
Resources
-
Law
Resources
Colleges
-
Animation and Design
Exams
Predictors & Articles
Colleges
Resources
-
Media, Mass Communication and Journalism
Colleges
Resources
-
Finance & Accounts
Top Courses & Careers
Colleges
Get Answers to all your Questions
- Home
- Engineering
- Which of the following metals are used as cathodes in photoelectric cell?Option: 1 CaOption: 2
- #Class 11
- #Joint Entrance Examination Main
- #S - Block Elements (Alkali and Alkaline Earth Metals)
- #Engineering
- #Chemistry
Which of the following metals are used as cathodes in photoelectric cell?
Option: 1
Ca
Option: 2
Mg
Option: 3
K
Option: 4
Na
Answers (1)
Because of the low ionisation energy, potassium is used as cathode in photoelectric cell.
View full answer
JEE Main high-scoring chapters and topics
Study 40% syllabus and score up to 100% marks in JEE
