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Precaution to minimize Radiation Danger:
1. One should keep safe distance away from radiation emitting source.
2. The radiation from the reactor are shielded by thick concrete walls.
3. In a laboratory, where radio active materials are handled, the radio active substance is covered in a lead box with a lid made of lead.
It is described to this law, if the temperature T of the object is not very dissimilar from that of the environment T0, then rate of cooling -dT/dt is proportional to the temperatu
Uses of radio isotopes: Used in i)Medicine ii) Industry iii) Agriculture iv) Meteorology and v) Radio active dating.
Printing Paper Industry: Synchronous motors are used in grinders. DC drives are used for pumping pulp and refining it.
The magnitude of the force vector F is 270 newtons. They component of this vector is directed along the +y axis and has magnitude of 150 N. The x component is directed along the +x
The beam below is supported at A and B. F1 and F2 in kN are given in P21 and P22 respectively. F3 in kN is given in P23 and the couple in kN.m is given in P24. Assume that F1, F
write a comrehensive note on mass energa relation
Write the mathematical relation for the resistivity of a material in terms of relaxation time, number density and mass and charge of charge carriers in it. Describe, using this rel
Calculate how much heat energy is required to raise the temperature of a cube of copper of side 2cm. from 300 to 320k. given: density=8933kg/m cube , atomic weight=63.55, cp=24j/k/
The idea that everything is made up of very small particles has been developed over many years supported by several experiments: (i) Brownian motion :
In an isothermal process, the temperature of body always same throughout the process. As the internal energy of a system depends only on its temperature, thus there is no modificat
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