Q. Which of the following physical quantities do not have same dimensions
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Q. The velocity of light in vacuum or air is
Q. Which of the following physical quantities do not have any unit of measurement?
Q. For accurate scientific work, temperatures are often measured by
Q. When a semiconductor is heated, its resistance
Q. Which one of the following is abundantly present in the atmosphere?
Q. Which of the following is NOT a method to reduce friction?
Q. An aircraft can perform aerobatic manoeuvres in a vertical loop as of
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