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The string of a pendulum is horizontal. Mass of the bob is m. Now the string is released, what is the tension in the string at lowest position Ans) If string length is L, Conserving energy, velocity at lowest point is (2gL)1/2 Centripetal force mv2/L= 2mg. T- mg= mv2/LT= 3mg
COHERENCE : 1) Visible light energy is emitted when the excited electrons in atoms undergo transitions to the ground state. 2) In ordinary light sources, these transitions
Explain the Diagramming Waves? There are two ways that waves can be indicated in a two-dimensional diagram. Parallel lines can be drawn that are meant to show the position of
Marine Application:- Suitably designed one or double speed squirrel cage induction motors are used.
Germanium possesses (A) One valence electrons. (B) Two valence electrons. (C) Three valence electrons. (D) Four valence electrons. Ans: Germanium possess
Attraction & repulsion of atom: It can be observed, that if two negatively charged bodies are brought together, there is a force of repulsion between them. Similarly if two p
what is reduce mass in two mass system?
The electric field E because of a point charge at any point near it is explained as where q is the test charge and F is the force acting on it. What is the physical significance of
Electron distribution: The atoms of a solid have electrons rotating in orbits around the positive nucleus. This is true of gases and liquids as well. These orbiting electrons
Q. What is the Newton meter? Answer:- A unit of energy is as well known as a Joule. When a force of 1 Newton is used on an object for a distance of 1 meter then 1 Joule of
Find an expression for the angular frequency A small object oscillates back and forth at the bottom of frictionless hemispherical bow. The radius of the bowl is Rwanda the angle
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