--- title: Communication: letters, phones, radio and the internet — the lesson's questions with trees and pragmatics · World description: The 18 test and exam questions of lesson 100 «Communication: letters, phones, radio and the internet» of the world course of Mova's primary school, each with its options, Mova's choice and the right answer, every sentence with its dependency tree and pragmatics. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / Communication: letters, phones, radio… # Communication: letters, phones, radio and the internet The 18 questions of lesson 100 «Communication: letters, phones, radio and the internet» of the world course of Mova's primary school with their options, 97 sentences, every one parsed by Mova with its syntax tree and pragmatics. How the student did on them: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/world/100-communication-letters-to-internet/). - [t1](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t1/) — In 1850 a merchant in London wants a reply from a friend in Sydney. Why will he wait so long? — right ✓ · ★★★ - [t2](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t2/) — Beacon fires on hilltops could warn a whole country of an invasion in hours. Why could they not send a long story? — right ✓ · ★★★ - [t3](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t3/) — A ship sends three short, three long and three short flashes of light at night. What is it telling you? — right ✓ · ★★★ - [t4](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t4/) — A radio signal is sent to astronauts on the Moon, about 384,000 kilometres away. Roughly how long does it take to arrive? — wrong ✗ · ★★★ - [t5](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t5/) — Lightning and thunder happen together, but you see the flash before you hear the thunder. What does this show about radio waves, which travel like light? — wrong ✗ · ★★★ - [t6](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t6/) — Which is a broadcast rather than a one-to-one message? — wrong ✗ · ★★★ - [t7](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t7/) — A storm snaps a telegraph wire between two towns. Which way of sending messages still works between them? — right ✓ · ★★★ - [t8](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t8/) — Which list puts these in the order they appeared? — wrong ✗ · ★★★ - [t9](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t9/) — Why could the Morse telegraph send any word, unlike beacon fires? — wrong ✗ · ★★★ - [t10](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t10/) — A message travels around the Earth's equator, about 40,000 kilometres, at the speed of light. About how long would it take? — wrong ✗ · ★★★ - [t11](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t11/) — whats SOS in morse — wrong ✗ · ★★★ - [t12](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t12/) — how'd people send a long msg before the telegraph — right ✓ · ★★★ - [t13](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t13/) — Leo says Tim Berners-Lee invented the phone. true? — right ✓ · ★★★ - [t14](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/t14/) — my brother reckons radio waves are way slower than sound. right? — wrong ✗ · ★★★ - [e1](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/e1/) — Which of the following statements most accurately characterises Morse code? — right ✓ · exam - [e2](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/e2/) — Identify the person who patented the telephone, together with the year thereof. — wrong ✗ · exam - [e3](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/e3/) — Ascertain the speed at which radio waves travel. — wrong ✗ · exam - [e4](https://md.mova.elamur.ai/free/en/corpora/questions/world/100-communication-letters-to-internet/e4/) — Select the response that is consistent with the established facts concerning a broadcast. — wrong ✗ · exam - ← previous: [99. Transport: from horses to planes](https://md.mova.elamur.ai/free/en/corpora/questions/world/99-transport-horses-to-planes/) - next →: [101. Reading the clock: hours, minutes and the two ha…](https://md.mova.elamur.ai/free/en/corpora/questions/world/101-reading-the-clock-hours-minutes-hands/) - ↑ back to [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/)