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 but (R) is false. |
4. | Both (A) and (R) are false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology