Maharashtra State BoardSSC (English Medium) 9th Standard
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Balbharati solutions for Science and Technology 9th Standard Maharashtra State Board chapter 18 - Observing Space : Telescopes [Latest edition]

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Science and Technology 9th Standard Maharashtra State Board - Shaalaa.com

Chapter 18: Observing Space : Telescopes

Exercise
Exercise [Page 214]

Balbharati solutions for Science and Technology 9th Standard Maharashtra State Board Chapter 18 Observing Space : Telescopes Exercise [Page 214]

Exercise | Q 1.1 | Page 214

Fill in the blanks with the proper words. 

The wavelength of visible light is between ……..  and  ……… 

Exercise | Q 1.2 | Page 214

Fill in the blank with the proper word. 

GMRT is used for ……. waves. 

Exercise | Q 1.3 | Page 214

Fill in the blank with the proper word. 

A certain X-ray telescope is named after scientist ………..

Exercise | Q 1.4 | Page 214

Fill in the blank with the proper word. 

The first scientist to use a telescope for space observationwas ................... 

Exercise | Q 1.5 | Page 214

Fill in the blank with the proper word. 

The biggest optical telescope in India is situated at ………. 

Exercise | Q 2 | Page 214

Form pairs 

 ‘A’ Groups     ‘B’ Groups 
(i)X-rays  (a)GMRT 
(ii)Optical Telescope  (b) ISRO 
(iii)Indian radio  (c) Hubble telescope 
(iv)Launching artificial satellites  (d) Chandra 
Exercise | Q 3 | Page 214

What are the difficulties in using ground based optical telescopes? How are they overcome? 

Exercise | Q 4 | Page 214

Which type of telescopes can be made using a concave mirror, convex mirror, plane mirror and a lens? Draw diagrams of these telescopes.

Exercise | Q 5 | Page 214

Study the figure and answer the following questions

a.  What type of telescope is shown in the figure?
b.  Label the main parts of the telescope.
c.  Which type of mirror does the telescope use?
d.  What other type of telescope uses a curved mirror?
e.  Explain the working of the above telescope. 

Exercise | Q 6.1 | Page 214

 Answer the following question.

Explain the construction of Galileo’s telescope. 

Exercise | Q 6.2 | Page 214

Answer the following question.

Explain the construction of a radio telescope. 

Exercise | Q 6.3 | Page 214

Answer the following question.

Why are optical telescopes located in uninhabited places on mountains? 

Exercise | Q 6.4 | Page 214

Answer the following question.

Why can an X-ray telescope not be based on the earth? 

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Chapter 18: Observing Space : Telescopes

Exercise
Science and Technology 9th Standard Maharashtra State Board - Shaalaa.com

Balbharati solutions for Science and Technology 9th Standard Maharashtra State Board chapter 18 - Observing Space : Telescopes

Balbharati solutions for Science and Technology 9th Standard Maharashtra State Board chapter 18 (Observing Space : Telescopes) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Science and Technology 9th Standard Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Science and Technology 9th Standard Maharashtra State Board chapter 18 Observing Space : Telescopes are Different Forms of Light, Telescope, Indian Space Research Organization (Isro) Bengaluru, Astrosat.

Using Balbharati 9th Standard solutions Observing Space : Telescopes exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board 9th Standard prefer Balbharati Textbook Solutions to score more in exam.

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