29 Important GK Questions Answers on Science - Scientist and Invention GK

[@ayeshaclassesgk]

Best knowledge❤️You are the best content creator, I love your videos. thanks for the constant uploads and being the amazing person that you are!

[@sehkhan8314]

Comment on every video 👏🙌👌

[@Thehindu1997]

Photo electric effect was discovered by Einstein

[@user-wk4zq8bj1n]

😂 wrong

[@SumanDansana-mb3ml]

Telescope was invented by Hans lippershey.😊