Light and refraction

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0 [{"id":468533,"quiz_id":"23973","answer_id":null,"answerType_id":"4","created_at":"2018-05-19 14:45:41","updated_at":"2018-05-19 14:56:28","questionName":"What is dispersion?","questionTimeSeconds":"45","questionTimeMinutes":"0","questionImagePath":null,"position":4,"explanation":"This is because the sifferent colours of light have slightly different speeds so when they go through different angles red gets through the fastest and violet the least.","question_score_id":null,"lang":"","questionAudioPath":null},{"id":468525,"quiz_id":"23973","answer_id":null,"answerType_id":"4","created_at":"2018-05-19 14:34:00","updated_at":"2018-05-19 14:56:28","questionName":"Which way does light bend towards when it goes into a denser material and is the angle of incidence larger or smaller?","questionTimeSeconds":"45","questionTimeMinutes":"0","questionImagePath":null,"position":0,"explanation":"This is because the light slows down and changes the angle.","question_score_id":null,"lang":"","questionAudioPath":null},{"id":468536,"quiz_id":"23973","answer_id":null,"answerType_id":"4","created_at":"2018-05-19 14:49:18","updated_at":"2018-05-19 14:56:28","questionName":"If white light passes through a coloured filter, what colour is the light after?","questionTimeSeconds":"45","questionTimeMinutes":"0","questionImagePath":null,"position":5,"explanation":"This is because all of the other colours got absorbed except for the colour of the filter.","question_score_id":null,"lang":"","questionAudioPath":null},{"id":468528,"quiz_id":"23973","answer_id":null,"answerType_id":"4","created_at":"2018-05-19 14:36:10","updated_at":"2018-05-19 14:56:28","questionName":"What is refraction?","questionTimeSeconds":"45","questionTimeMinutes":"0","questionImagePath":null,"position":1,"explanation":"This is because it is just what it is called.","question_score_id":null,"lang":"","questionAudioPath":null},{"id":468543,"quiz_id":"23973","answer_id":null,"answerType_id":"4","created_at":"2018-05-19 14:56:01","updated_at":"2018-05-19 14:56:28","questionName":"What color will an object appear if you look at it through a different coloured filter.","questionTimeSeconds":"45","questionTimeMinutes":"0","questionImagePath":null,"position":7,"explanation":"This is because the only colour that can pass through the filter is the colour of the filter, so if the object is a different colour then the reflected light won't be able to pass through the different coloured filter.","question_score_id":null,"lang":"","questionAudioPath":null},{"id":468531,"quiz_id":"23973","answer_id":null,"answerType_id":"4","created_at":"2018-05-19 14:40:32","updated_at":"2018-05-19 14:57:20","questionName":"What are incident rays?","questionTimeSeconds":"45","questionTimeMinutes":"0","questionImagePath":null,"position":3,"explanation":"Someone decided to call it incident rays.","question_score_id":null,"lang":"","questionAudioPath":null},{"id":468539,"quiz_id":"23973","answer_id":null,"answerType_id":"4","created_at":"2018-05-19 14:52:21","updated_at":"2018-05-19 14:56:28","questionName":"If a coloured light passes through a filter of the same colour, what is the colour of th light afterwards?","questionTimeSeconds":"3","questionTimeMinutes":"0","questionImagePath":null,"position":6,"explanation":"This is because the only colour that can pass through the filter is the one that it is so if the light is the same colour as the filter then the filter doesn't absorb any other colours and it stays the same.","question_score_id":null,"lang":"","questionAudioPath":null},{"id":468530,"quiz_id":"23973","answer_id":null,"answerType_id":"4","created_at":"2018-05-19 14:38:34","updated_at":"2018-05-19 14:56:28","questionName":"When light enters a less dense material which way does it bend and does the incident ray get larger or smaller?","questionTimeSeconds":"45","questionTimeMinutes":"0","questionImagePath":null,"position":2,"explanation":"this is because the light speeds up and changes its direction.","question_score_id":null,"lang":"","questionAudioPath":null}]
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What is dispersion?

Dispersion is a special kind of refraction and it occurs when light oes through a transparent prizm or a transparent substance with lots of angles and the colours of light seperate into the rainbow.





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