Class 9 | Observing Space: Telescopes

Light is an .......... wave.

1/26

Reflecting telescopes are mainly of two types .............. and .............. .

2/26

What is the main function of a telescope?

3/26

The Hubble Space Telescope orbits around:

4/26

A point where light rays pass and converge is called its

5/26

Visible radiation telescopes are also called as ............... .

6/26

Which telescope is most suitable for observing objects that emit X-rays?

7/26

The process of making distant objects appear closer and larger is known as:

8/26

Visible radiation has a wavelength ranging between ................. to ................. .

9/26

The rays with longest wavelengths are the

10/26

The images formed by lenses have errors of colours. This is called ........... .

11/26

Find odd man out:INSAT, EDUSAT, GMRT, IRS

12/26

Radio telescope is made up of one or more dishes of ........... shape.

13/26

What is the primary function of a radio telescope?

14/26

The first telescope was invented by ...................... .

15/26

Giant Meterwave Radio Telescope (GMRT) has been erected at ............ near Pune.

16/26

The resolving power of a telescope refers to its ability to:

17/26

The part of the telescope where you look through to see the magnified image is called the:

18/26

Find odd man out:GMRT, Hubble, Chandra, Astrosat

19/26

The largest optical telescopes on Earth typically use which type of mirror?

20/26

Visible light coming from heavenly bodies have to pass through the .............. to reach the earth surface.

21/26

Which type of telescope uses a curved mirror to gather and focus light?

22/26

To collect the maximum amount of light coming from an object, the objective lens should be made as ............. as possible.

23/26

Which telescope is best suited for observing radio waves emitted by celestial objects?

24/26

Which telescope is used to detect and study X-rays emitted by celestial objects?

25/26

Find odd man out: Chandra, INSAT, GSAT, Astrosat are satellites.

26/26
Observing The Telescopes

Class 9 | Observing Space : Telescopes

1 / 26

Find odd man out:GMRT, Hubble, Chandra, Astrosat

2 / 26

Find odd man out:INSAT, EDUSAT, GMRT, IRS

3 / 26

Find odd man out: Chandra, INSAT, GSAT, Astrosat are satellites.

4 / 26

Which telescope is most suitable for observing objects that emit X-rays?

5 / 26

The largest optical telescopes on Earth typically use which type of mirror?

6 / 26

What is the primary function of a radio telescope?

7 / 26

Which type of telescope uses a curved mirror to gather and focus light?

8 / 26

The resolving power of a telescope refers to its ability to:

9 / 26

The part of the telescope where you look through to see the magnified image is called the:

10 / 26

The Hubble Space Telescope orbits around:

11 / 26

The process of making distant objects appear closer and larger is known as:

12 / 26

Which telescope is used to detect and study X-rays emitted by celestial objects?

13 / 26

The rays with longest wavelengths are the

14 / 26

A point where light rays pass and converge is called its

15 / 26

Visible radiation has a wavelength ranging between …………….. to …………….. .

16 / 26

Which telescope is best suited for observing radio waves emitted by celestial objects?

17 / 26

What is the main function of a telescope?

18 / 26

Visible light coming from heavenly bodies have to pass through the ………….. to reach the earth surface.

19 / 26

Giant Meterwave Radio Telescope (GMRT) has been erected at ………… near Pune.

20 / 26

Radio telescope is made up of one or more dishes of ……….. shape.

21 / 26

Reflecting telescopes are mainly of two types ………….. and ………….. .

22 / 26

The images formed by lenses have errors of colours. This is called ……….. .

23 / 26

To collect the maximum amount of light coming from an object, the objective lens should be made as …………. as possible.

24 / 26

Visible radiation telescopes are also called as …………… .

25 / 26

Light is an ………. wave.

26 / 26

The first telescope was invented by …………………. .

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