The correct answer is B. Although it is unknown who invented the microscope, Sir Isaac newton developed calculus along with Gottfried Leibniz. Sir Isaac Newton is also known for his three laws of motion. Newtons discoveries and theory set the stage for many other advancement in astronomy.
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Answer: The correct answer is Option B.
Explanation:
We are given a radioisotope which is unstable in nature. For this isotope to become stable, it has to undergo radioactive decay. There are various processes by which a radioisotope may decay:
1. Alpha decay: In this decay process, a heavier nuclei decays into lighter nuclei. The particle released is alpha particle.
2) Gamma decay: In this decay process, an unstable nuclei gives excess energy by a process of spontaneous electromagnetic process. This decay process releases .
3) Beta-plus decay: In this decay process, a neutron gats converted into a proton and an electron. The particle released is
4) Beta-minus decay: In this decay process, a proton gets converted into a neutron and an electron neutrino which is known as a positron particle. This is also known as -decay.
Radium-226 nuclei undergoes alpha decay to form Radon-222 nuclei by releasing alpha-particle.
Hence, the answer is Option B.
the correct answer for this question is radio active decay or option b ! press brainliest...
The speed you read on a speedometer is your instantaneous speed, which is the speed your vehicle is moving at a specific moment. This is usually measured in miles per hour (mph) or kilometers per hour (km/h), and it's calculated based on the rotation of your vehicle's wheels or drive shaft.
The speed you read on a speedometer is your instantaneous speed. This is the speed at which your vehicle is moving at a specific moment in time. On a standard speedometer, you'll see this represented as miles per hour (mph) or kilometers per hour (km/h), depending on your location and the standard measure of distance in your country.
The speedometer works by taking into account the rotation of the wheels or drive shaft and converting that rotational speed into a speed of linear motion.
For example, if you're driving and your speedometer says 60 mph, this means that at that particular moment, you are moving at a speed of 60 miles in one hour.
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