A spoon which looks bent is an example of which of the following?
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If an object is placed at the center of curvature of a concave mirror, then the image formed will be
Find the kinetic energy (in J) possessed by a body of mass 10 kg moving with a velocity of 5 m/s.
The absolute refractive index of air is
The functioning of a very old model pendulum clock was completely
A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is
Which of the following physical quantity measures the rate of work done?
Which type of electromagnetic radiation has the longest wavelength?
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