Which of the following devices converts Chemical energy into Electrical energy?
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What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?
What is the approximate circumference of earth?
A corporate culture is generally defined as the
Indian National Congress is a part of which political group?
In which year did Vivekananda participate in the Parliament of the World's Religions?
Find the odd word/letters/number pair from the given alternatives.
The angles of elevation of the top of a temple, from the foot and the top of a building 30 m high, are 60° and 30° respectively. Then height of the temple is