Assertion(A): Electrons are ejected from a certain metal when either blue or violet light strikes the metal surface. However, only violet light causes electron ejection from a second metal.
Reason(R): The electrons in the first metal require less energy for ejection.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R is not the correct explanation of A.
3. A is true and R is false.
4. A and R both are false.
 
Subtopic:  Photo Electric Effect |
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Consider the following graph.

The correct relation between T1 and T2 is-

1. T1 > T2

2. T1 < T2

3. T1 = T2

4. None of the above

 

 

Subtopic:  Photo Electric Effect |
To view explanation, please take trial in the course below.
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To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology