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Q. What is artificial radioactivity?
The phenomenon by which still light elements are made radioactive by artificial or induced methods is called artificial radioactivity.
α-decay When a radioactive nucleus disintegrates by release an α-particle the atomic number decreases by two and mass number decreases by four.
Instance Radium (88Ra226) is converted to radon (86Rn222) due to α-decay
88Ra226 → 86Rn222 + 2He4
What is the angular acceleration of the Earth around the Sun? What equation is used to derive it?
composition of two SHM at right angle to each other and having time period in the ratio of 1: 2
Prove that the various stationary orbit are not equally spaced?
Mention two salient features of immunity theory of ageing. Write the full form of ESR. What does the increase in ESR indicate?
Motion Animation A car along with a non-zero initial speed has a constant acceleration whose value could be controlled through the user.
Measurement of Difference in Wavelength of Sodium D1 and D2 Lines: For the measurement of difference in wavelength of two closely spaced sodium lines firstly the M1 is adjusted for
working project related to logic gates
A 250 N crate is sitting on a 30 degree inclined plane. The frictional force is larger than the component of the crate's weight parallel to the inclined plane, so that the crate do
Q. Why does sun seems flat during sunrise and sunset? Answer:- The sun rays have to move through a larger atmospheric distance. The majority of the blue light and shorter
Newtons laws Elephant and Feather - Free Fall Assume that an elephant and a feather are dropped off a extremely tall building from the similar height at the similar time. Assum
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