- 1(current)
Q. No.1. \(15^\circ\)
2. \(60^\circ\)
3. \(30^\circ\)
4. \(18^\circ\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn observer looks at a distant tree of height \(10~\text{m}\) with a telescope of magnifying power of \(20\). To the observer, the tree appears:
| 1. | \(10\) times taller |
| 2. | \(10\) times nearer |
| 3. | \(20\) times taller |
| 4. | \(20\) times nearer |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA compound microscope consists of an objective lens of focal length \(1~\text{cm}\) and an eye piece of focal length \(5~\text{cm}\) with a separation of \(10~\text{cm}\). The distance between an object and the objective lens, at which the strain on the eye is minimum is \(\frac{n}{40}~\text{cm}\). The value of \(n\) is:
1. \(100\)
2. \(50\)
3. \(25\)
4. \(10\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(20\) cm
2. \(30\) cm
3. \(10\) cm
4. \(15\) cm
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Magnification is increased
2. Focal length is increased
3. More light is captured
4. Spherical aberration is increased
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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