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Q. What are uses of ultra-violet radiations?
Uses of ultra-violet radiations:
(i) They are utilized to destroy the bacteria and for sterilizing surgical instruments.
(ii) These radiations are utilized in detection of forged documents, finger prints in forensic laboratories.
(iii) They are utilized to preserve the food items.
(iv) They assist to find the structure of atoms.
Eye Chamber: The ball is separated into two chamber, the aqueous chamber and the vitreous chamber. Working: Parallel rays from an object converged by the eye lens and b
Q. The gain of an amplifier without feedback is 100 and the gain of an amplifier with feedback is 200. Calculate the feedback fraction. Solution : Voltage gain after feedba
Voltages relative to earth It is very common in electrical circuits to have an earth connection. This earth connection has no effect on potential differences across components
FORCE: "Force is that agency which causes a body to alter its state of motion or rest". It is denoted by F ?
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Explain basic principle of holography Holography is a new method of producing a 3D image of a 3Dobject. An ordinary photograph is only a 2D image of a 3D object. The photograph
Write an assembly program to make a microwave. Need: 1. The microwave has a clock (hh:mm:ss am/pm) and the user should be able to alter the clock at any time. 2. For c
Find the electric field between the plates of a capacitor given the following:? (1) C= 10pF (2) the capacitor is connected to a 25 V battery (3) there is a vacuum between the capa
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