- 1(current)
Q. No.Given below are two statements:
| Assertion (A): | If two converging lenses are introduced into the path of a parallel beam of light, the emerging beam cannot be diverging. |
| Reason (R): | The converging lenses have positive powers. |
| 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. | (A) is false but (R) is true. |
From NCERT
Subtopic: Lenses |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA lens is placed as shown in the figure, with the \(x\)-axis along the principal axis and the origin at the optical centre. A ray of light incident on the lens at \(P~(0, y)\) undergoes a deviation \(\delta.\) A graph of \(\delta\) vs \(y\) is shown:
The focal length of the lens is nearly:
The focal length of the lens is nearly:
| 1. | \(2~\text{cm}\) | 2. | \(20~\text{cm}\) |
| 3. | \(115~\text{cm}\) | 4. | \(230~\text{cm}\) |
From NCERT
Subtopic: Lenses |
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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