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प्रश्न
The magnification of a small object produced by a compound microscope is 200. The focal length of the eyepiece is 2 cm and the final image is formed at infinity. Find the magnification produced by the objective.
संख्यात्मक
उत्तर
Angular magnification = `m_0 xx D/f_e`
⇒ `200 = (m_0 xx 25)/2`
⇒ 400 = m0 × 25
⇒ `m_0 = 400/25`
= 16
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2023-2024 (February) Outside Delhi Set - 3
