Categories > Ray Optics and Optical Instruments > Microscope and Telescope > The focal lengths of the objective and eye-piece of a telescope are respectively 100 cm and 2 cm. The moon subtends an angle of ${{0.5}^{o}}\,$at the eye. If it is looked through the telescope, the angle subtended by the moon's image will be

Ray Optics and Optical Instruments

Question: The focal lengths of the objective and eye-piece of a telescope are respectively 100 cm and 2 cm. The moon subtends an angle of ${{0.5}^{o}}\,$at the eye. If it is looked through the telescope, the angle subtended by the moon's image will be


1) ${{100}^{o}}$
2) ${{50}^{o}}$
3) ${{25}^{o}}$
4) ${{10}^{o}}$
Solution: Explanation: No Explanation
Microscope and Telescope

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