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Sources of Light Quiz 2


Sources of Light Quiz 2: Tick the correct answer from the choices given below. Click the lesson ‘Sources of Light‘ to find the answers.

Sources of Light Quiz 2

Anything that gives off light of its own is a source of light. We also call them luminous objects. Learn more things about sources of light by reading the lesson Sources of Light and answer the following quiz to test your knowledge.


{ "questionDesription":"Sources of Light Quiz 2", "questionText":"Tick the correct answer from the choices given below.", "questions": [ {"ques":"Why do fireflies and glow-worms emit their own light?","answers":[ {"opt":"to attract mates","selected":"false","ans":"true"}, {"opt":"to beautify the nature","selected":"false","ans":"false"}, {"opt":"to frighten enemies","selected":"false","ans":"false"}, {"opt":"to camouflage","selected":"false","ans":"false"} ],"img":"/Quiz-2-Q1-sources-of-light.jpg"}, {"ques":"How does the firefly emit light?","answers":[ {"opt":"by reflecting sun's light","selected":"false","ans":"false"}, {"opt":"from a chemical reaction that takes place in its abdomen","selected":"false","ans":"true"}, {"opt":"by being heated","selected":"false","ans":"false"}, {"opt":"from a luminous dust which covers its body","selected":"false","ans":"false"} ],"img":"/Quiz-2-Q1-sources-of-light.jpg"}, {"ques":"Tick the list of fish that spend their entire life in the dark.","answers":[ {"opt":"whales, sharks, angler fish","selected":"false","ans":"false"}, {"opt":"sharks, viper fish, dragon fish","selected":"false","ans":"false"}, {"opt":"angler fish, viper fish, dragon fish","selected":"false","ans":"true"}, {"opt":"whales, angler fish, viper fish","selected":"false","ans":"false"} ],"img":"/Quiz-2-Q2-sources-of-light.jpg"}, {"ques":"How do the fish who live their entire life in the deep dark ocean find their food?","answers":[ {"opt":"by using their smell","selected":"false","ans":"false"}, {"opt":"by using antennas on their heads","selected":"false","ans":"false"}, {"opt":"they live on the plankton in sea water","selected":"false","ans":"false"}, {"opt":"by using bioluminescent light","selected":"false","ans":"true"} ],"img":"/Quiz-2-Q2-sources-of-light.jpg"}, {"ques":"Objects which do not emit or reflect light are called .............","answers":[ {"opt":"luminous objects","selected":"false","ans":"false"}, {"opt":"non-luminous objects","selected":"false","ans":"true"}, {"opt":"bioluminescent objects","selected":"false","ans":"false"}, {"opt":"incandescent objects","selected":"false","ans":"false"} ],"img":"/Quiz-2-Q5-sources-of-light.jpg"}, {"ques":"Reflectors .............","answers":[ {"opt":"reflect light","selected":"false","ans":"false"}, {"opt":"cannot emit their own light","selected":"false","ans":"false"}, {"opt":"can emit their own light","selected":"false","ans":"false"}, {"opt":"answers (1) and (2) are correct","selected":"false","ans":"true"} ],"img":"/Quiz-2-Q7-reflectors.jpg"}, {"ques":"Tick the list of reflectors.","answers":[ {"opt":"moon, mirrors, smooth water, metal","selected":"false","ans":"true"}, {"opt":"moon, sun, mirrors, shiny surfaces","selected":"false","ans":"false"}, {"opt":"mirrors, lamps, torches, smooth water","selected":"false","ans":"false"}, {"opt":"metal, torches, shiny surfaces, candlelight","selected":"false","ans":"false"} ],"img":"/Quiz-2-Q7-reflectors.jpg"}, {"ques":"Why can't you see yourself in the mirror in a completely dark room?","answers":[ {"opt":"No. You can still see yourself in the mirror in a completely dark room","selected":"false","ans":"false"}, {"opt":"because mirrors just reflect light","selected":"false","ans":"false"}, {"opt":"because mirrors do not make their own light","selected":"false","ans":"false"}, {"opt":"answers (2) and (3) are correct","selected":"false","ans":"true"} ],"img":"/Quiz-2-Q8-reflectors.jpg"}, {"ques":"The moon is a .............","answers":[ {"opt":"luminous object","selected":"false","ans":"false"}, {"opt":"incandescent object","selected":"false","ans":"false"}, {"opt":"reflector","selected":"false","ans":"true"}, {"opt":"bioluminescent object","selected":"false","ans":"false"} ],"img":"/Quiz-2-Q9-reflectors.jpg"}, {"ques":"Tick the correct pair which is invisible to human eye.","answers":[ {"opt":"x-rays and radar","selected":"false","ans":"false"}, {"opt":"infrared (IR) and ultraviolet (UV)","selected":"false","ans":"false"}, {"opt":"gamma rays and radio waves","selected":"false","ans":"false"}, {"opt":"All of the above","selected":"false","ans":"true"} ],"img":"/Quiz-2-Q10-reflectors.jpg"} ]}