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Q. The laws which govern the motion of planets are called ________
Johannes Kepler was a 16th century astronomer who established three laws which govern the motion of planets around the sun. These are known as Kepler's laws of planetary motion.
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Q. The wavelength used in radar is
Q. The energy derived from the heat of Earth is called
Q. Which of the following preferred rpm for 4 pole induction motor?
Q. An example of semiconductor is
Q. What happens to a liquid, when the vapour pressure equals the atmospheric pressure?
Q. The velocity of sound is more in
Q. Which of the following objects would possess potential energy?
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