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Questions and Answers
What is the main function of the humours in the eyeball?
What is the main function of the humours in the eyeball?
In a refracting telescope, what is the function of the eyepiece lens?
In a refracting telescope, what is the function of the eyepiece lens?
What is the name of the lens used in a refracting telescope to collect and focus light from a distant object?
What is the name of the lens used in a refracting telescope to collect and focus light from a distant object?
How does a reflecting telescope collect rays of light from a distant object?
How does a reflecting telescope collect rays of light from a distant object?
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For a telescope to achieve the greatest magnification, what is important in terms of distance?
For a telescope to achieve the greatest magnification, what is important in terms of distance?
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Which part of the eyeball is responsible for preventing it from collapsing?
Which part of the eyeball is responsible for preventing it from collapsing?
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What part of the eye controls the amount of light entering?
What part of the eye controls the amount of light entering?
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Which device in a camera is responsible for controlling the aperture?
Which device in a camera is responsible for controlling the aperture?
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What is the natural adjustment in the size of pupils called?
What is the natural adjustment in the size of pupils called?
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What part of the eye does not contain light sensitive cells?
What part of the eye does not contain light sensitive cells?
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When light hits the light-sensitive chemicals in the film, what do they form?
When light hits the light-sensitive chemicals in the film, what do they form?
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In a camera, where are the parts housed?
In a camera, where are the parts housed?
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What serves as plane mirrors in binoculars?
What serves as plane mirrors in binoculars?
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What type of lenses are used in compound microscopes to magnify the object?
What type of lenses are used in compound microscopes to magnify the object?
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Which scientist used a simple convex lens to view bacteria magnified about 280 times?
Which scientist used a simple convex lens to view bacteria magnified about 280 times?
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In a compound microscope, what is used to improve the sharpness of the image?
In a compound microscope, what is used to improve the sharpness of the image?
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What type of lenses are commonly used in magnifying glasses?
What type of lenses are commonly used in magnifying glasses?
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What is the main purpose of placing prisms inside binoculars?
What is the main purpose of placing prisms inside binoculars?
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