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What is a starry sky?
Probably one of the most beautiful lighting effects which can be created that can be very simple or rather sophisticated. In its simplest form, a starry sky consequence is made with a number of little diameter fibers coupled to a huge solid core, that delivers the light from the illuminator. It creates a number of static points of similar diameter that can be quite effective when a little flat.
More elaborate systems use some fiber calibres', 0,25mm to 3mm diameter and run directly to the illuminator. The numerous sizes of fiber make for various intensities on the point light, providing the effect of distance and perspective creating great depth. Coupled along with a twinkle effect wheel the effect can be rather stunning.
In a Newton's rings arrangement the diameter of a bright ring is 0.5cm. Determine the diameter of ring if the lens placed on the plane glass plate is replaced by another one having
Explain about the principle of acousting grating. Acousting Grating Principle: While ultrasonic waves are passed by a liquid, the density of the liquid varies layer by layer
A dual-wavelength spectrometer uses 780 nm and 830 nm. The molar extinction coefficients for oxy-hemoglobin (HbO 2 ) and deoxy-hemoglobin (Hb) at these two wavelengths are: e_HbO 2
Explain displacement x(t) is known as displacement and it denotes the position of a body at time. If the displacement is positive then that body is to the right of the chosen
Q State Fleming's right hand rule. Fleming's right hand rule The middle finger, the forefinger and the thumb of the right hand are held in the three mutually perpendic
QUESTION 1 A car of mass 800 kg is pulling a trailer of mass 300 kg up the slope of angle ? to the horizontal where sine ? = 1/200. Resistance to motion (apart from gravity) is 1.
Starting from Maxwell's electromagnetic equation in free space, Get Poynting theorem.
calculate the amplitude of wave of y= (0.045m) sin x (5.2t+4.0x)
A block goes on a wedge which in turns goes on a horizontal table, as given in figure. The wedge angle is Φ. As long as the wedge is in met with table, we have the trivial const
..Proof of varignon''s theorem
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