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- 19
- A refracting telescope can suffer
- spherical aberration
- chromatic aberration
- both a & b
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- B
- When would you want to use a Schmidt Camera?
- You want to study the Moon in detail
- You want to photograph the entire sky
- You want to study one particular star
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- B
- The ecliptic is
- The path of the Sun across the sky
- The plane of the Solar System
- The dividing line between north and south in the heavens
- The line on the sky directly above the Earth's equator
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- A
- X-rays travel faster through space than radio waves
- true
- false
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- B
- The biggest optical telescopes in existence are refractors
- true
- false
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- B
- A scientific theory should be equivalent to absolute truth
- true
- false
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- B
- Astronomers wish to build larger telescopes because larger telescopes
- Allow fainter objects to be seen
- Produce greater magnification of the image
- Allow more wavelenghts to be studied
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- A
- The type of spectrum produced by a hot luminous solid is
- Emission line
- Continuous
- Absorption line
- Confined to the infared
- Confined to the Ultraviolet
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- B
- Copernicus proposed that the planets orbited the Sun in orbits that were
- Perfect circles
- Straight lines
- Ellipses
- Elongated ovals
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- A
- An absorption-line spectrum is formed by
- A glowing metal
- A glowing gas at constant temperature
- A cool gas between the observer and a hot dense body
- A hot gas in front of a cool dense source of radiation
- None of these is correct
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- C
- Multi-mirror telescopes are no longer just on drawing boards but are actually in operation
- True
- False
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- A
- According to Kepler the orbits of the planets are
- Circles
- Ellipses
- Epicycles
- Deferents
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- B
- The Spectrum of a cloud of glowing rarified gas would show
- Bright (emission) lines
- Dark (absorption) lines
- A continuous spectrum
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- A
- Galileo invented the refracting telescope
- true
- false
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- B
- The refracting telescope makes use of the principle(s) of
- Dispersion
- Reflection
- Diffraction
- Refraction
- Abberation
- r15
- D
- Which of the following were observations of Galileo?
- Craters on the moon
- Four large moons of Jupiter
- Stars within the Milkey Way
- All of the above
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- r16
- D
- The resolving power of the telescope
- Increases with diameter of the objective
- Increases with decrease in wavelength
- Decreases with decreasing wavelength
- Is independent of wavelength
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- B
- The resolving power of a telescope
- Increases with diameter of the objective
- Decreases with diameter of the objective
- Is independent of aperture
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- A
- The Law of Reflection says that the angle a light ray hits a mirrored surface will be different from the reflected angle
- True
- False
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- B
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