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Cream of the Crop 22
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SAMPLE1.DAT
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1995-01-05
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154 lines
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
[Blank]
[Blank]
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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[Blank]
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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
[Blank]
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
[Blank]
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
[Blank]
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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
[Blank]
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B