1) Making popcorn is done with the help of….. a) Gamma rays b) Ultraviolet light c) Microwaves d) X rays 2) Ultraviolet rays can be used in hospitals. a) False b) True 3) Which waves can be useful in astronomy ….. a) Infrared b) Micro c) Radio 4) What does the following picture show….. a) Gamma rays b) Microwaves c) X-ray d) Radio waves 5) Gamma rays can destroy cancer cells a) True b) False

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