JEE Advanced 2021 Full Test 3 Paper 2
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SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.
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Question : 26 of 54
Marks:
+1,
-0
The phenomenon of emission of electrons from surface of a metal on irradiation with light of suitable frequency is known as photo electric effect. Now, calculate x with the help of following data for a certain metal.
| Incident light | K.E. of photoelectrons | Threshold frequency |
|---|---|---|
| (i) | KE | |
| (ii) | 4KE | |
- Your Answer:
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