Who defined the law of gravitation ?
A). Newton
B). Archimedes
C). Galileo
D). Faraday
Newton
Isaac Newton put forward the law in 1687 and used it to explain the observed motions of the planets and their moons, which had been reduced to mathematical form by Johannes Kepler early in the 17th century.
1. A small and a large rain drops are falling through air:
2. During washing of clothes we use indigo due to its
4. How much mechanical work must be done to completely melt 1 gram of ice at 0°C ?
5. Which of the following group of elements are diamagnetic?
7. For an object, the state of rest is considered to be the state of ________ speed.
8. A boat will submerge when it displaces water equal to its own: