The instrument that measures the ______________ is called an anemometer.
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Which type of electromagnetic radiation has the longest wavelength?
Find the potential energy gained by a body of mass 50 kg, if it is raised by 10m. (use g = 10 m/s2)
What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?
A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.
What is the value of acceleration due to gravity at the centre of earth?
An earthquake of magnitude _________________ on Richter scale has thousand times more destructive energy than an earthquake of magnitude 4.
Which of the following devices converts Chemical energy into Electrical energy?