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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 the peak displacement of the waves. This method is most commonly used to show water and sound waves, but it also is used for light, especially when we start talking about interference and diffraction.
Alternatively, rays may be drawn perpendicular to these wavefronts, indicating the direction of travel of the waves. Reflection of waves from a flat surface requires that the angle of incidence, θi (measured from the incoming ray to the normal of the reflective surface) must equal the angle of reflection, θr (measured from the normal to the reflected ray).
MANUFACTURING: T hese resistors do not require substrate. Resistive material is a mixture of finally ground graphite, filter and resin blander. Filter is usually silica. The mix is
formula for time period of oscillation of magnet in a vibration magnetometer
What is the position vector of point c in equilateral triangle?
A device which changes light energy into electrical energy is known as photoelectric cell. It is also known as photocell or electric eye.
What are non ohmic and ohmic devices? Give examples The manganin wire is used in the manufacturing of standard resistances. Why?
Q. Two wires of same material and same length have resistances 5 and 10 respectively. Find the ratio of radii of the two wires. R = ρl / A = ρl / πr 2 R 1 = ρl / A = ρl
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If either screen or source or both are at preset distance from the diffracting device (obstacle or aperture), the diffraction is known as Fresnel type.
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Q. A person with a normal near point (25cm) using a compound microscope with objective of focal length 8.0mmandan eye piece of focal length 2.5cm can bring an object placed at 9.0m
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