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1. An ionization chamber is used on Tuesday (T=22°C, P=760mmHg) and then on Wednesday (T=25°C, P=740 mmHg) to monitor the output from an x-ray tube. If the output from the tube is identical on both days, then determine the chamber reading on Wednesday.
2. A condenser-type pocket ionization chamber is filled with air at STP. The chamber volume is 2cm3. The capacitance of the chamber is 5 pF. The voltage across the chamber before exposure to radiation is 180 V. The voltage across the chamber after the exposure is 160 V. What value is closest to the radiation exposure?
A thin rod of length 1 m is fixed in a vertical position inside a train, which is moving horizontally with constant acceleration 4 m/s2. A bead can slide on the rod, and friction
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A converging thin lens has a focal length of 27 centimetres. An object is placed 9 centimetres from the lens. Where is the image of this object formed? Ans: The images of g
lux; lx: The derived SI unit of illuminance equivalent to the illuminance generated by a luminous flux of 1 lm distributed consistently over an area of 1 m 2 ; therefore it ha
Does a piece of glass reflect more light than a piece of paper?
A 2.0-kg projectile is fired with initial velocity components v0x= 30m/s and v0y= 40m/s from a point on the earth's surface. Neglect any effects due to air resistance. What is the
I have a circuit and using Kirchhoff''s second law I need to find the current across one of the battery. How should I do that?
how heat energy is liberated during respiration?
I want a project on this topic for cbse board
Radio active series There are three radio active series depending on their progenitor. They are i) Uranium series called (2n+2) series, ii) Actino-Uranium series, call
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