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Q. Which of the following is a compound machine?
Bicycle is an example of compound machine. A compound machine is a combination of two or more simple machines.
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Q. Velocity-time graph of a particle executing SHM is shown in figure. Select the right alternative.
Q. Man perceives sound vibrations in the frequency ranges of
Q. Heat transfer by radiation mainly depends upon
Q. What Sir Isaac Newton invented?
Q. Instrument used to measure the force and velocity of the wind is
Q. Moving electric charge produces :
Q. The resistance of the human body (dry condition) is of the order of
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