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VARIABLE OR NON-UNIFORM VELOCITY:
If a body covers unequal displacement in most equal intervals of time, though the smallest interval may be, then the velocity of the body is said to be variable or non-uniform velocity.
Displacement: - The modification in position of a body in a certain direction is known as displacement. It is a vector function and its unit in SI system is meter.
A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.75km/hr. The child is 0.620km from shore and 0.755km upstream of a boat land
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
Ampere's Law is a relation among cause and effect. When Ampere's law is write in the form below on which side of the equation is the cause and on which side of the equation is the
what is the formula of work done
Speed of light (in vacuo); c The speed on which electromagnetic radiation propagates within a vacuum; it is described as 299 792 458 m/s.
Photomultiplier tube(PTM) it can detect a weak flash of light and estimate the amount of light .The principle of operation (fig(4)) a light photon released electron at the phot
Polygon of force This topic just builds on the previous Triangle of Forces. Consider three forces A, B and C. A and B can be added by drawing a triangle to give a re
Which is factual of the light from an actual physical object whose image is formed by a single thin lens? Ans: That's what light perform when it leaves a point on an objec
Define one newton
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