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Scanning is process of dividing an image on the screen into a large number of very small squares formed by sets of horizontal and vertical straight lines.
Iconoscope is used for the purpose of scanning. It is a type of camera consisting of a cathode ray beam and a photoelectric cell. It is focussed onto an object to be televised. The image of the object formed by the lens of a camera is focussed onto a screen. On the screen, the image is divided into a very large number of every small squares formed by sets of horizontal and vertical straight lines. This process is called scanning
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 s
Q. A neutral Ping Pong ball dangles from the ceiling by a thread. A person chafes a rubber rod with animal fur and then touches the Ping Pong ball with the rubber rod. Afterwar
The magnifying power of an astronomical telescope in the normal adjustment position is 100. The distance among the objective and the eye-piece is 101 cm. Measure the focal lengths
Why do dead bodies float in water ?
Determine voltage gain for the circuit shown in figure below, with R F = 100K ? and R 1 =10 K? Ans. Determination of voltage gain: The provided operational
WHY WE USE DELAY LINE IN CRO WHAT HAPPENS IF WE NOT USE IT?
Q. Show Constant Moment Arm? The simplest case is that of a point mass, and the moment of inertia can be immediately written as I = mR 2 ,
Question Put the different types of light in order from lowest frequency to highest frequency. Feedback: These are all instances of electromagnetic radiation. Elect
State Huygens ' Principle. For reflection of a plane wave front at a plane reflecting surface, construct the corresponding reflected wave front. Using this diagram, state that angl
An aquarium for larger water animals A glass aquarium 50 cm by 25 cm is of useful size. Old accumulator cells are suitable, but the glass is not very obvious. To prepare l
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