periscope (n.) viewing apparatus on a submarine, 1899, formed in English from peri- "around" + -scope "instrument for viewing." Earlier (1865) a technical term in photography.
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People also ask, what does periscope mean in Greek?
Word Origin for periscope C19: from Greek periskopein to look around; see peri-, -scope.
Likewise, what is the root word of submarine? The word submarine is composed of two morphemes, sub and marine. Sub is a prefix of Latin origin that means 'below' or 'under', while marine originates from the Latin 'marinus' meaning 'belonging or related to the sea'. The first recorded use of submarine is from 1648.
Also to know, what is periscope in simple words?
The definition of a periscope is a set of lenses, mirrors or prisms on a tube allowing the viewer to see objected reflected on the other end. An example of a periscope is the viewing tool used on a submarine.
What is periscope and its uses?
A periscope is defined as an instrument used for observing over, around or through an obstacle or object which is prevented by direct line of sight. It consists of an outer case with mirrors at each end at 45° angle. Jules Carpentier, a French engineer, and inventor designed the submarine periscope.
Related Question AnswersWhat is a synonym for periscope?
Synonyms. pigboat submarine optical instrument sub U-boat. Antonyms. surface ship surface overhead defend.What does the word cartography?
cartographer. A cartographer is a person who creates maps, whether they're of the world, the local bus routes, or buried pirate treasure. It comes to us from the Latin word charta-, which means “tablet or leaf of paper,” and the Greek word graphein, meaning to write or draw.Which mirror is used in Periscope?
At the bottom of the periscope, the light strikes another mirror and is then reflected into the viewer's eye. This simple periscope uses only flat mirrors as compared to the periscopes used on submarines, which are usually a complex optical system using both lenses and mirrors. Concave mirror is used in flood light.Who invented the periscope?
Hippolyte Marié-DavyWhat does brusquely mean?
adjective. abrupt in manner; blunt; rough: A brusque welcome greeted his unexpected return.How do you use periscope in a sentence?
periscope Sentence Examples- The word " periscope" was first applied to this instrument.
- Zeiss made a periscope 7 metres long, main tune 150 mm.
- The modern practice is to take rapid observations rather than to keep the periscope above the water all the time.
- In an ingenious periscope designed by Messrs.
How do you make a periscope?
Steps- Find two small mirrors the same size.
- Cut the tops off two clean milk cartons.
- Tape the two cartons together.
- Cut a hole on one side just big enough for a mirror.
- Insert a mirror facing the hole at a 45º angle.
- Cut a hole at the other end, facing the opposite direction.
- Insert the second mirror facing the second hole.
What is a periscope in the Bible?
A pericope in rhetoric is a set of verses that forms one coherent unit or thought, suitable for public reading from a text, now usually of sacred scripture. Lectionaries are normally made up of pericopes containing the Epistle and Gospel readings for the liturgical year.What is periscope Class 8?
A periscope is a long, tubular device through which a person can see objects that are out of the direct line of sight. The periscope makes use of two plane mirrors to see over the top of things. Principle. A periscope works on the reflection of light from two plane mirrors arranged parallel to one another.What are the advantages of Periscope?
Advantage: it helps us to see further than our view that is what is above us or sometimes even below us. disadvantage: it may not work properly and show distorted images due to fog… disadvantage: Complex optically and mechanically. Some have a narrow field of view.What is the principle of Periscope?
Working Principle A periscope works on the Laws of Reflection which states that the light from the object falls on one mirror at a 45o angle from the object and is reflected. This reflected light then falls on another mirror and is again reflected until it reaches the human eye.Are periscopes still used today?
Periscopes are still used today in tanks and some submarines. A simple periscope is just a long tube with a mirror at each end. (You can try this game from BBC Bitesize to see how you can use mirrors to reflect light in different directions.)How far can a periscope see?
Per the web: “For an observer on the ground with eye level at h = 5 ft 7 in (1.70 m), the horizon is at a distance of 2.9 miles (4.7 km). For an observer standing on a hill or tower 100 feet (30 m) in height, the horizon is at a distance of 12.2 miles (19.6 km).”How many types of periscope are there?
13 TypesHow many images are formed in a periscope?
If the mirrors are positioned at a right angle, four images of the object can be seen. Periscope: In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle.What is a synonym for submarine?
Synonyms for submarine- submersible.
- U-boat.
- nuclear submarine.
- underwater craft.
- underwater robot.
What does it mean to submarine someone?
This word mainly refers to a vessel that travels underwater and is armed with torpedoes — also known as a U-boat. But you can submarine someone by attacking them with a submarine or bringing them down with a blow to the legs. A disappointment can submarine — or sink — your hopes and dreams.What do you mean by Navy?
A navy is a fleet of waterborne military vessels. It is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions.How do you use submarine in a sentence?
submarine Sentence Examples- 16, an enemy submarine was reported to be in the Flow.
- There were also two Nordenfeldt submarine boats of doubtful efficiency.
- We are suitably impressed that Da Vinci sketched a design for a submarine and a flying machine.
