Light is an .......... wave. electromagnetic1/26Reflecting telescopes are mainly of two types .............. and .............. . Newtonian and Cassegrain2/26What is the main function of a telescope? To magnify distant objects3/26The Hubble Space Telescope orbits around: Earth4/26A point where light rays pass and converge is called its focal point5/26Visible radiation telescopes are also called as ............... . X-ray telescopes6/26Which telescope is most suitable for observing objects that emit X-rays? X-ray telescope7/26The process of making distant objects appear closer and larger is known as: Magnification8/26Visible radiation has a wavelength ranging between ................. to ................. . 400 nm, 800nm9/26The rays with longest wavelengths are the radio waves10/26The images formed by lenses have errors of colours. This is called ........... . chromatic aberration11/26Find odd man out:INSAT, EDUSAT, GMRT, IRS GMRTQuestion Explanation:GMRT is a telescope on earth while others are satellite in space. 12/26Radio telescope is made up of one or more dishes of ........... shape. parabolic13/26What is the primary function of a radio telescope? To observe radio waves emitted by celestial objects14/26The first telescope was invented by ...................... . Galileo15/26Giant Meterwave Radio Telescope (GMRT) has been erected at ............ near Pune. Narayangaon16/26The resolving power of a telescope refers to its ability to: Distinguish between closely spaced objects17/26The part of the telescope where you look through to see the magnified image is called the: Eyepiece18/26Find odd man out:GMRT, Hubble, Chandra, Astrosat AstrosatQuestion Explanation:Astrosat is an artificial satellite with multiple telescopes and detectors while others are telescopes that can sense only one type of radiation. 19/26The largest optical telescopes on Earth typically use which type of mirror? Concave mirror20/26Visible light coming from heavenly bodies have to pass through the .............. to reach the earth surface. atmosphere21/26Which type of telescope uses a curved mirror to gather and focus light? Reflecting telescope22/26To collect the maximum amount of light coming from an object, the objective lens should be made as ............. as possible. large23/26Which telescope is best suited for observing radio waves emitted by celestial objects? Radio telescope24/26Which telescope is used to detect and study X-rays emitted by celestial objects? X-ray telescope25/26Find odd man out: Chandra, INSAT, GSAT, Astrosat are satellites. ChandraQuestion Explanation:Chandra is a telescope while others are satellites 26/26PrevNext Class 9 | Observing Space : Telescopes 1 / 26 Find odd man out:GMRT, Hubble, Chandra, Astrosat GMRT Hubble Chandra Astrosat Astrosat is an artificial satellite with multiple telescopes and detectors while others are telescopes that can sense only one type of radiation. 2 / 26 Find odd man out:INSAT, EDUSAT, GMRT, IRS INSAT EDUSAT GMRT IRS GMRT is a telescope on earth while others are satellite in space. 3 / 26 Find odd man out: Chandra, INSAT, GSAT, Astrosat are satellites. Chandra INSAT GSAT Astrosat Chandra is a telescope while others are satellites 4 / 26 Which telescope is most suitable for observing objects that emit X-rays? Refracting telescope Reflecting telescope Radio telescope X-ray telescope 5 / 26 The largest optical telescopes on Earth typically use which type of mirror? Flat mirror Convex mirror Concave mirror Spherical mirror 6 / 26 What is the primary function of a radio telescope? To detect and study X-rays To collect and focus visible light To observe radio waves emitted by celestial objects To capture images of distant planets 7 / 26 Which type of telescope uses a curved mirror to gather and focus light? Refracting telescope Reflecting telescope Radio telescope X-ray telescope 8 / 26 The resolving power of a telescope refers to its ability to: Collect light Magnify objects Distinguish between closely spaced objects Focus light 9 / 26 The part of the telescope where you look through to see the magnified image is called the: Objective lens Eyepiece Primary mirror Secondary mirror 10 / 26 The Hubble Space Telescope orbits around: Earth Mars Jupiter Saturn 11 / 26 The process of making distant objects appear closer and larger is known as: Reflection Magnification Diffraction Refraction 12 / 26 Which telescope is used to detect and study X-rays emitted by celestial objects? Refracting telescope Reflecting telescope Radio telescope X-ray telescope 13 / 26 The rays with longest wavelengths are the x-rays radio waves ultraviolet rays blue rays 14 / 26 A point where light rays pass and converge is called its reflect point refract point focal point objective lenses 15 / 26 Visible radiation has a wavelength ranging between …………….. to …………….. . 0.3 mm, 20cm 400 nm, 800nm 1m, 10m 50nm, 300nm 16 / 26 Which telescope is best suited for observing radio waves emitted by celestial objects? Refracting telescope Reflecting telescope Radio telescope X-ray telescope 17 / 26 What is the main function of a telescope? To magnify distant objects To emit light To absorb light To reflect light 18 / 26 Visible light coming from heavenly bodies have to pass through the ………….. to reach the earth surface. stratosphere tropospere atmosphere biosphere 19 / 26 Giant Meterwave Radio Telescope (GMRT) has been erected at ………… near Pune. Asangaon Asangaon Narayangaon Bhategaon 20 / 26 Radio telescope is made up of one or more dishes of ……….. shape. spherical hyperbolic parabolic hexagonal 21 / 26 Reflecting telescopes are mainly of two types ………….. and ………….. . Newtonian and Galileoan Optical and Cassegrain Newtonian and Cassegrain Optical and Refracting 22 / 26 The images formed by lenses have errors of colours. This is called ……….. . chromatic disruption chromatic aberration chromatic reflection chromatic reaction 23 / 26 To collect the maximum amount of light coming from an object, the objective lens should be made as …………. as possible. large small circular flat 24 / 26 Visible radiation telescopes are also called as …………… . Gamma Ray telescopes Optical telescopes X-ray telescopes Radio telescopes 25 / 26 Light is an ………. wave. electric magnetic electromagnetic mechanical 26 / 26 The first telescope was invented by …………………. . Einstein Galileo Newton Mendel Your score is The average score is 69% 0% Restart quiz
Class 9 | Reflection Of Light Class 9 | Maharashtra Board | Quiz + Flash Cards, Quiz + Flashcards / By Shubham Jha
Class 9 | Study of Sound 1 Comment / Class 9 | Maharashtra Board | Quiz + Flash Cards, Quiz + Flashcards / By Shubham Jha