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This instrument is used in submarines to observe activity above the water surface while the submarine is submerged. Which instrument are we talking about?
- a)Binoculars
- b)Telescope
- c)Periscope
- d)Kaleidoscope
Correct answer is option 'C'. Can you explain this answer?
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This instrument is used in submarines to observe activity above the wa...
The instrument used in submarines to observe activity above the water surface while the submarine is submerged is called a periscope. Here is a detailed explanation of why the correct answer is C: Periscope.
Periscope:
- A periscope is an optical device that uses mirrors or prisms to reflect and redirect light, allowing users to see objects that are not in their direct line of sight.
- It consists of a long tube with a system of mirrors or prisms that reflect the light entering through one end and redirect it towards the viewer's eye at the other end.
- Periscopes are commonly used in submarines to provide a view of the surrounding environment without having to surface.
- The periscope is usually mounted on the top of the submarine's hull and can be raised or lowered as needed.
- By using a periscope, submarine operators can observe the activities happening above the water surface, such as the positions of other ships, landmarks, or potential threats, while remaining hidden underwater.
Incorrect options:
A: Binoculars - Binoculars are handheld optical devices with two separate lenses that provide a magnified view of distant objects. They are not specifically designed for use in submarines.
B: Telescope - Telescopes are optical devices used to observe distant objects in space or on Earth. They are not typically used in submarines for observing activity above the water surface.
D: Kaleidoscope - A kaleidoscope is a toy or optical instrument that creates colorful and symmetrical patterns by reflecting light off multiple mirrors. It is not used in submarines for observing activity above the water surface.
Therefore, the correct instrument used in submarines to observe activity above the water surface while submerged is a periscope.
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This instrument is used in submarines to observe activity above the water surface while the submarine is submerged. Which instrument are we talking about?a)Binocularsb)Telescopec)Periscoped)KaleidoscopeCorrect answer is option 'C'. Can you explain this answer?
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