SSC (English Medium) Class 9Maharashtra State Board
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Balbharati solutions for Class 9 Science and Technology chapter 18 - Observing Space : Telescopes

Balbharati Class 9 Science and Technology

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Balbharati Balbharati Class 9 Science and Technology

Balbharati Class 9 Science and Technology - Shaalaa.com

Chapter 18: Observing Space : Telescopes

Exercise

Chapter 18: Observing Space : Telescopes Exercise Exercise solutions [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? 

Chapter 18: Observing Space : Telescopes

Exercise

Balbharati Balbharati Class 9 Science and Technology

Balbharati Class 9 Science and Technology - Shaalaa.com

Balbharati solutions for Class 9 Science and Technology chapter 18 - Observing Space : Telescopes

Balbharati solutions for Class 9 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 Balbharati Class 9 Science and Technology solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

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

Using Balbharati Class 9 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 Class 9 prefer Balbharati Textbook Solutions to score more in exam.

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