Answer
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Hint: The purpose of the microscope is to aim at reference points with much higher accuracy as compared to than it is possible through the naked eye. Short distances can be measured precisely using a microscope. Travelling microscope has an accuracy of 0.01mm. In a typical Travelling microscope, the main scale divisions are of magnitude 0.05cm and the vernier scale contains 50 divisions.
Complete step by step answer:
There are different types of microscopes but the most popular ones are Compound, Stereo, Digital, and Pocket. Travelling microscope is an example of a Compound microscope. It provides a 2-D image. It is fitted on a vertical scale. It has a vernier scale along the main scale and can be moved upward or downward according to our requirements. It has an accuracy of 0.01mm. It uses geometrical concepts of ray optics. It is used for measuring short distances. Concave mirror and Plano concave mirror are used in the microscope. In a typical Travelling microscope, the main scale divisions are of magnitude 0.05cm and the vernier scale contains 50 divisions. So with such a small scale, focal length can’t be measured either of a convex mirror or a convex lens. While using a Travelling microscope, we place the specimen on stage. Some microscopes have a mechanical stage which allows for very minute slide movements. Hence, we can say the refractive index of a glass slab can be measured during an experiment using a Travelling microscope.
So, the correct answer is “Option C”.
Note:
Different microscopes are used in different experiments for different measurements. While two microscopes can be used for the same measurement and a single microscope can be used for various measurements. So students need to understand at which place which microscope is to be used.
Complete step by step answer:
![seo images](https://www.vedantu.com/question-sets/57e29d1d-771f-40fa-9f8c-665102c27ed12411728984709042196.png)
There are different types of microscopes but the most popular ones are Compound, Stereo, Digital, and Pocket. Travelling microscope is an example of a Compound microscope. It provides a 2-D image. It is fitted on a vertical scale. It has a vernier scale along the main scale and can be moved upward or downward according to our requirements. It has an accuracy of 0.01mm. It uses geometrical concepts of ray optics. It is used for measuring short distances. Concave mirror and Plano concave mirror are used in the microscope. In a typical Travelling microscope, the main scale divisions are of magnitude 0.05cm and the vernier scale contains 50 divisions. So with such a small scale, focal length can’t be measured either of a convex mirror or a convex lens. While using a Travelling microscope, we place the specimen on stage. Some microscopes have a mechanical stage which allows for very minute slide movements. Hence, we can say the refractive index of a glass slab can be measured during an experiment using a Travelling microscope.
So, the correct answer is “Option C”.
Note:
Different microscopes are used in different experiments for different measurements. While two microscopes can be used for the same measurement and a single microscope can be used for various measurements. So students need to understand at which place which microscope is to be used.
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