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Inertia: the resistance an object has to a alter in its state of motion.
Newton's first law of motion declares that force is NOT required to keep an object in motion.
Slide a book across the table and watch it slide to a rest position. The book in motion on the tabletop does not come to a rest position due to the absence of a force; rather it is the presence of a force - the force of friction - that brings the book to a rest position.
LAW OF CONSERVATION OF MOMENTUM. "The total linear momentum of an isolated system always constant" OR "If there is no external force ap
Cosmic background radiation; primal glow The background of radiation typically in the frequency range 3 x 10 11 to 3 x 10 8 Hz discovered in space in the year of 1965. It is
Ripple tank The concept of reflection and refraction of light waves can be understood by the study of reflection and refraction of waves on water. The water waves travel
Q. State Brewster's law. Brewster's law the digression of the polarising angle is numerically equal to the refractive index of the medium. That is tan ip = μ
Verify the principle of potentiometer. Illustrate a circuit diagram used to compare the e.m.f. of two primary cells. Write the formula used. How can the sensitivity of a potentiome
Aluminium Atomic number 13 Symbol Al Atomic weight 26.98154 Discovery W
Fast neutrons can be changed into slow neutrons by certain materials known as moderator's when last moving neutrons pass by a moderator, they combine with the molecules of the mod
For which of the following does the centre of mass lie outside the body 1. A pencil 2. A shotput 3. A dice 4. A bangle Solution) 4. bangle ; centre of mass of hollow objects
A Newton is equal to which of the following? a) kilogram-meter per second b) meter per second squared c) Kilogram-meter per second squared d) Kilogram per
How can electricity make magnetic fields? In 1820, Oersted discovered that an electric current can produce a magnetic field. He happened to notice a compass move when he conn
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