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प्रश्न
Telescope was invented by______.
विकल्प
Han Lippershey
Galilio
Nicolus Coppernicus
Ptolomy
उत्तर
Telescope was invented by Han Lippershey.
APPEARS IN
संबंधित प्रश्न
Explain the construction of Galileo’s telescope.
Study the figure and answer the following questions.
- What type of telescope is shown in the figure?
- Label the main parts of the telescope.
- Which type of mirror does the telescope use?
- What other type of telescope uses a curved mirror?
- Explain the working of the above telescope.
Which type of telescope can be made using a concave mirror, convex mirror, plane mirror and a lens? Draw diagrams of these telescopes.
True or False – If False give the correct answer
Galilio accepted the Geo-centric model.
State Snell’s law.
Myopia is due to ______.
The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 Å is of the order of ______.
A telescope of objective lens diameter 2 m uses light of wavelength 5000 Å for viewing stars. The minimum angular separation between two stars whose image is just resolved by their telescope is ______.
