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Choose 1 answer
{"type":"multi-choice","id":"77873","dataJson":{"key":1,"prompt":"A magnifying lens can turn an image upside-down.","options":[{"key":"0.9695076269141258","label":"True","value":"True"},{"key":"0.6555720545607335","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["True"]}}
Select the missing words in the text.
{"type":"fill-in-blanks","id":"77874","dataJson":{"key":3,"prompt":"Fill out the blanks","options":{"speed":[{"label":"speed","value":"speed"},{"label":"angle","value":"angle"},{"label":"colour","value":"colour"},{"label":"size","value":"size"}],"material":[{"label":"room","value":"room"},{"label":"material","value":"material"},{"label":"zone","value":"zone"},{"label":"area","value":"area"}],"direction":[{"label":"intensity","value":"intensity"},{"label":"brightness","value":"brightness"},{"label":"direction","value":"direction"},{"label":"colour","value":"colour"}]},"template":"When a ray of light enters a new {{material}}, it changes {{direction}} due to a change in {{speed}}.","validResponse":{"speed":"speed","material":"material","direction":"direction"}}}
Choose 1 answer
{"type":"multi-choice","id":"77875","dataJson":{"key":4,"prompt":"What is being shown in this image?","options":[{"key":"0.8015577868364898","label":"angling ","value":"angling "},{"key":"0.8872000868447186","label":"refraction ","value":"refraction "},{"key":"0.36762605959621764","label":"mirroring ","value":"mirroring "},{"key":"0.4953319975623115","label":"focal points","value":"focal points"},{"key":"0.0534916156085774","label":"reflection ","value":"reflection "}],"limitChoices":{"sameNumberAsCorrectAnswers":true},"validResponse":["refraction "],"fileboyImageId":"58a62939-325e-412f-988e-ba55774c9fbe"}}
Choose 3 answers
{"type":"multi-choice","id":"77876","dataJson":{"prompt":"What words can be used to describe this lens?","options":[{"key":"0.03286097963983825","label":"Concave","value":"Concave"},{"key":"0.7283657613842879","label":"Convex","value":"Convex"},{"key":"0.14726731612722666","label":"Converging","value":"Converging"},{"key":"0.7322000628637833","label":"Diverging","value":"Diverging"},{"key":"0.46284865274402454","label":"Magnifying","value":"Magnifying"}],"limitChoices":{"max":3,"min":3},"validResponse":["Convex","Converging","Magnifying"],"fileboyImageId":"d29ac47c-3870-4c7f-b1fc-37e890dc60dc"}}
Choose 3 answers
{"type":"multi-choice","id":"77877","dataJson":{"key":14,"prompt":"Which of the following objects contain at least one lens?","options":[{"key":"0.8011755799286653","label":"microscope","value":"microscope"},{"key":"0.22942319968185654","label":"telescope","value":"telescope"},{"key":"0.6158896337836063","label":"light blub","value":"light blub"},{"key":"0.3604481823539405","label":"laser cutter","value":"laser cutter"},{"key":"0.48307421083636803","label":"computer screen","value":"computer screen"}],"limitChoices":{"max":3,"min":3},"validResponse":["microscope","telescope","laser cutter"]}}
Look at the slide below to work out the answer.
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