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What is the work done if a force of 15 N moves a body by 3 meters in the direction of force?
A body explodes into three equal fragments, two of which fly off perpendicular to each other with equal speeds. What is the direction of the third frag...
What is the unit of the refractive index?
The threshold wavelength for a photoelectric surface is 540 nm. Will a light of energy 2.5 eV cause photoemission?
What is the phenomenon of bending of light around corners called?
Which device is best suited for measuring the temperature inside metallurgical furnaces?
When do spring tides occur?
What is the point called where the total mass of a body is considered to be concentrated?
A larger force on a rotating body results in larger _____.
The movement of a train is an example of what type of motion?