What is the name of the phenomena (driven by the scattering of light) in which mountain tops acquire a rosy or orange hue around sunrise and sunset?
1 horsepower = approximately _____ watts.
Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?
What is the unit of measure of a magnetic field?
_______ expansion makes the Eiffel Tower taller during summers.
Georg Simon Ohm in whose honour we have the famous Ohm’s Law, hailed from which country?
Purpose of an optical filter is to
Which of the following statements is/are true about the speed of sound in different media at 25°C
A. In steel, the speed of sound is 5960 m/sB. In nickel, the speed of sound is 6240 km/s
Momentum = ..............?
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