A radio telescope uses a large dish to collect which of these?
ASound moving in space
BRadio waves from space
COcean waves on Earth
DWinds blowing from Sun
Answer & Solution
Correct answer: B. Radio waves from space
The big dish of a radio telescope acts as an antenna that gathers radio waves from space.
Keep practising Invention
Browse all Invention questions for Olympiad (Class 5), or explore more General Knowledge topics.
Related questions
Which of these is among the earliest human inventions, dating back to early humans?Railroads, aviation, vaccination and the smartphone belong to which kind of invention?Crude stone tools called Oldowan tools are among the earliest inventions. Roughly how old The word inventor comes from the Latin verb invenire. What does it mean?A patent is granted in India only. Where does it protect the inventor?A patent gives an inventor which right?In the twentieth century, which method largely replaced letterpress in commercial printingA hand press used a long handle to turn a threaded rod. Which two machines worked together