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Principle Ray II. Preliminary on the object side of the lens ray II heads toward the plane of the lens along a line that is parallel to the principle axis of the lens. At the plane of the lens it suddenly adopts a path that takes it directly away from the focal point that is on the same side of the lens as the object. If you outline that ray straight back the trace-back line passes through said focal point.
NEGATIVE ACCELERATION OR RETARDATION OF DECLERATION: If velocity of a body is reducing, then its acceleration is said to be negative. The direction of negative acceleration is
A certain radioactive substance has a half-life of 40 minutes. How much of an original 100 grams substance will remain after 2 hours? solution) m= m0/2t/T m=100 gms.. t=2 hours
why an electron can''t exist in the nucleus .
how to take readings from screw gauge and zero error of it
Definition: The electric field in a region is shown by continues lines (also known as lines of force). Field line is an imaginary line along which a positive test charge will move
A person is making a ray tracing diagram to determine the characteristics of an image formed by a converging lens. Consequently far the person has gotten as far as drawing one of t
An atom is said to be polarized if it possesses and effective dipole moment, that is, if there is a separation between the centres of negative and positive charge distribution. It
Explain Joule's Law: "Work done is directly proportional to the heat produced.
Q. Explain Rayleigh's criterion of just resolution of two spectral lines of equal intensities giving suitable intensity distribution carves. Show how the resolving power of a pla
'To and Fro' type of motion is known as an Oscillatory Motion. It needed not be periodic and needed not have fixed extreme positions. The force/torque acting in oscillatory moti
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