1
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Given figure shows few data points in a phot electric effect experiment for a certain metal. The
minimum energy for ejection of electron from its surface is:
(Plancks constant h = 6.62 × 10–34 J.s)
(Plancks constant h = 6.62 × 10–34 J.s)
2
JEE Main 2020 (Online) 4th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Dimensional formula for thermal conductivity is (here K denotes the temperature):
Paper Analysis
Total Questions
Chemistry 21
Mathematics 18
Physics 23
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