know here all things of Refrigerator was invented by which scientist | William Cullen discovered what ?
question : Electricity was invented or discovered by whom ?
answer : The famous scientist named William Cullen was the inventor of Refrigerator in the year of 1927.
question : William Cullen invented which thing and when ?
answer : In ‘1927’ year the well known scientist whose name is ‘ William Cullen ‘ was the inventor of Refrigerator.
question : when and by whom Refrigerator was discovered ?
answer : Refrigerator was the discovery of William Cullen which was discovered in 1927 year.
so in short we can say –
invention : Refrigerator
inventor : William Cullen
year : 1927
हिंदी माध्यम नोट्स
English medium Notes