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Q. Define roentgen and activity and Curie?
One roentgen (1R) is described as the quantity of radiation which produces 1.6 × 1012 pairs of ions in 1 gram of air.
The activity of a radioactive substance is described as the rate at which the atoms decay. Curie is described as the quantity of a radioactive substance which gives 3.7 × 1010 disintegrations per second or 3.7 × 1010 Becquerel.
What are the Special features and Applications of carbon dioxide laser? Special features and Applications of carbon dioxide laser: The efficiency of this Laser is extremely
Trying to make an interesting pattern, an artist slowly pours 1.00 cm 3 of liquid gold onto a large block of ice at 0.00°C. While being poured, the liquid gold is at its melt
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 A positive charge or
Silver Symbol Ag Atomic weight 107.868 Atomic number 47 discovery
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how do higher energy levels in our xray beam affect the photoelectric effect
The measurements taken in Ramdesns eyepiece more worthy (reliable) than Huygens eyepiece. Why? Describe critical angle. show its relationship with refractive index.
A piece of flint glass is lying on top of a container of water (see figure below). When a red beam of light in air is incident upon the flint glass at an angle of 28°. What i
Explain the Schematic Diagrams of Electric Circuits Since figuring out what is happening in a circuit depends upon the way the elements are connected, one of the first hurdles
The sense of vision consist of three major components : The eyes that focus an image from the outside world on the light sensitive retina The system of millions of nerve
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