MEDIUM
9th Maharashtra Board
IMPORTANT
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What are the difficulties in using ground based optical telescopes? How are they overcome?

Important Questions on Observing Space : Telescopes

HARD
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 18 - Observing Space : Telescopes>Exercises>Q 4
Which type of telescopes can be made using a concave mirror, convex mirror, plane mirror and a lens? Draw diagrams of these telescopes.
EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 18 - Observing Space : Telescopes>Exercises>Q 5

Study the figure and answer the following questions
What type of telescope is shown in the figure?

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EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 18 - Observing Space : Telescopes>Exercises>Q 5

Study the figure and answer the following questions.

Label the main parts of telescope.

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EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 18 - Observing Space : Telescopes>Exercises>Q 5

Study the figure and answer the following questions.

Which type of mirror does the telescope use?

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EASY
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 18 - Observing Space : Telescopes>Exercises>Q 5

 Study the figure and answer the following questions.

 What other type of telescope uses a curved mirror? 

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MEDIUM
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 18 - Observing Space : Telescopes>Exercises>Q 5

Study the figure and answer the following questions.

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 Explain the working of the above telescope. 

HARD
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 18 - Observing Space : Telescopes>Exercises>Q 6

 Explain the construction of Galileo’s telescope.

HARD
9th Maharashtra Board
IMPORTANT
Science and Technology Standard Nine>Chapter 18 - Observing Space : Telescopes>Exercises>Q 6

 Explain the construction of a radio telescope.