How does reflecting telescope differ from refracting telescope?

1 Answer

Answer :

Reflecting telescope can be made much larger than a refracting telescope, so that a better and bright image can be seen.

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Description : What is advantage of putting a telescope in space?

Last Answer : Telescope is an instrument that helps to see lovely object. Hubble telescope can produce clear images of astronomical objects which are very far from the earth.

Description : Describe four problems created from space exploration and their solutions.

Last Answer : The main problems are: I. Space sickness II. Effects of weightlessness III. Conditions resulting from exposure to radiation IV. Many unwanted side effects V. Disposal of rocket parts VI ... Space programs are very costly. Involvement of private sector in mission could be a possible solution.

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Last Answer : 1. Space rockets It is used for transporting spacecrafts, space shuttles and space stations into the space. 2. Rocket launching pads The place where rockets are launched into space is ... of a space mission is closely observed and necessary instructions are issued from time to time.

Description : Explain how do astronauts survive and work in space.

Last Answer : I. Pressurized section in which scientists work without space suits. II. Open to space section on which equipment is mounted for observing the earth and sky. Unprotected human body cannot ... foods are prepared and packaged for easier transportation and a variety of tastes for the astronauts.

Description : Describe the benefits generated by technology of space exploration.

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Description : What is GPS?

Last Answer : GPS stands for Global positioning system. 

Description : What is remote sensing?

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Description : What are rockets?

Last Answer : Rocket is a space tool by which spacecrafts, space shuttles and space stations are transfer into space. The sites from which rockets are launched into space are called rocket launching pads. 

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Last Answer : (D) All the above

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Description : The element used in reflecting telescope and CD?

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Description : The first reflecting telescope was built by: A. Galileo B. Copernicus C. Tyco Brahe D. Isaac Newton

Last Answer : D. Isaac Newton

Description : The first reflecting telescope was built by: w) Galileo x) Copernicus y) Tycho Brahe z) Isaac Newton

Last Answer : ANSWER: Z -- ISAAC NEWTON

Description : A glass prism has a refracting angle of `60^@`. The angle of minimum deviation is `40^@`. If velocity of light in vacuum is `3 xx 10^8 m//s`. Calculat

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Description : Flint glass (A) Has slightly the greater refracting power than crown glass (B) Has roughly double refracting power than that of crown (C) And crown glass proportions yield the required focal length ... dispersion produced by the convex lens at the emergence from the concave (D) All the above

Last Answer : (D) All the above

Description : Refracting telescopes, if uncorrected, suffer from chromatic aberration. Chromatic aberration occurs because: w) red light is focused more strongly than blue light x) blue light is focused more strongly than ... central rays, z) the central light rays are focused more strongly than the outer rays.

Last Answer : ANSWER: X -- BLUE LIGHT IS FOCUSED MORE STRONGLY THAN RED LIGHT 

Description : Which of the following can be used to see through Venus's clouds? w) refracting telescopes x) radar y) x-rays z) ultraviolet

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Last Answer : Need answer

Description : What object with reflections symmetry can be created by reflecting it about an axis called the.?

Last Answer : Axially symmetric object.

Description : What to do if recharge is not reflecting on my account?

Last Answer : Log on to your account on airtel.in/prepaid-recharge using your prepaid mobile number. To get the status of your recharges, select the Recharge History option on your account home screen. You can ... from the home screen on app and choose Recharge History option to know the prepaid recharge status.

Description : What is the result of reflecting (6, 7) over the line y = x and then translating it 4 unit left?

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Description : Radar is used for (a) Detecting objects by using light waves (b) Reflecting sound waves to detect objects (c) Determining the presence and location of objects with radio waves (d) Tracking rain-bearing clouds

Last Answer : Ans:(b)

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Description : What is the Hubble Space Telescope?

Last Answer : The Hubble Space Telescope is a space telescope launched by NASA in 1990 that has contributed significantly to many areas of astronomy, including the study of galaxies, black holes, and the expansion of the universe.

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