The radioactivity of an element becomes 1/64

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August undefined, 2024

Webbenergy in the form of particles and rays emitted by the nuclei of some atoms is called: nuclear radiation Marie Curie named the process Becquerel discovered: radioactivity or radioactive decay What does the unstable nucleus of an atom give off during radiation? particles and energy define Beta Decay WebbSOLVED:The radioactivity of an element becomes \frac{1}{64} th of its original value in 60 \mathrm{~s}. Then the half-life period of element is (A) 5 \mathrm{~s} (B) 10 …

Radioactivity Definition, Types, Applications, & Facts

WebbAnswer (1 of 6): The radioactive element reduces to 1/64 of its initial value = ( ½)^6, ie 6 half lives have passed in 60 seconds. 6 half- lives = 60 seconds 1 half-life = 60/6 = 10 … WebbRadio is the technology of signaling and communicating using radio waves. [1] [2] [3] Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected to an antenna which radiates the waves, and received by another antenna connected to a ... importance of coding club

The radioactivity of an element becomes $\frac{1}{64}$ th of its

Webb7 apr. 2024 · The isotope element that emits radiation is known as the Radioactive Element. This element is also the object that undergoes radioactivity. To know more about radioactive decay, join our live online classes. We supply abundant study materials to help you get ahead of the curve. Webb8 aug. 2024 · In nuclear reactions, it is the nucleus of the atom that gains stability by undergoing a change of some kind. Some elements have no stable isotopes, which means that any atom of that element is radioactive. For some other elements, only certain isotopes are radioactive. literacy smart targets

5.7: Calculating Half-Life - Chemistry LibreTexts

JEE Main & Advanced Physics Nuclear Physics And Radioactivity …

Webb23 mars 2024 · Radioactive dating is a process by which the approximate age of an object is determined through the use of certain radioactive nuclides. For example, carbon-14 has a half-life of 5,730 years and is used to measure the age of organic material. WebbThe atomic mass of naturally occurring but radioactive potassium-40 is measured to be 39.964008 amu. Potassium-40 decays predominantly by β-emission to calcium-40, having a measured mass 39.962589. Through Einstein’s equation, energy is equal to mass ( m) times velocity of light ( c) squared, or E = mc2, the energy release ( Q) and the mass ... importance of collagen genesWebbTypes of radioactive decay An unstable nucleus can decay by emitting an alpha particle, a beta particle, a gamma ray or in some cases a single neutron. Alpha particle If the … importance of coding in accounting

"WebbThe half-life of that radioactive substance, which reduces to 1/64 of its initial value in 15 hours, will be A 5 hours B 2 hours C 2.5 hours D 4 hours Easy Solution Verified by Toppr Correct option is C) For radioactive decay N aN =(21)n where n is the number of half lives ∴641 =(21)n or n=6 T 1/2= nt= 615=2.5 hrs. Was this answer helpful? 0 0 " - The radioactivity of an element becomes 1/64

The radioactivity of an element becomes 1/64

Radioactive decay types article (article) Khan Academy

WebbThe radioactivity of an element becomes \frac{1}{64} th of its original value in 60 \mathrm{~s}. Then the half-life period of element is (A) 5 \mathrm{~s} (B... WebbA radioactive element is a fundamental element whose atomic nuclei demonstrates the phenomenon of radioactivity. The name ‘radioactive’ may suggest to you that radioactive elements radiate radio waves, but unfortunately that is not so! The name ‘radioactivity’ is a misnomer because these elements have nothing to do with radio waves!

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WebbDepleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope 235 U than natural uranium. Natural uranium contains about 0.72% 235 U, while the DU used by the U.S. Department of Defense contains 0.3% 235 U or less. The less radioactive and non-fissile 238 U WebbRadioactivity is a feature of certain types of matter . All matter is made of chemical elements , and elements are made of atoms . Most atoms are stable. That is, they do not …

Webb5 dec. 2024 · Answer:1.72 days Step-by-step explanation:In 8 days the radioactivity of 1 mg of a radioactive element decreases to 4%.Initial weight of radioactivity is 1 mgIt ... The equation becomes. A= 1(0.6687)^{t} To find half life of the element we replace A with 0.5. 0.5= 1(0.6687)^{t} take ln on both sides. Webb24 nov. 2024 · This reaction is an alpha decay. We can solve this problem one of two ways: Solution 1: When an atom gives off an alpha particle, its atomic number drops by 2 and its mass number drops by 4, leaving: Po206 84. We know the symbol is Po, for polonium, because this is the element with 84 protons on the periodic table.

Webb9 mars 2024 · Uranium is a radioactive metal central to one of the most devastating acts of war in history. On Aug. 6, 1945, a 10-foot-long (3 meters) bomb fell from the sky over the Japanese city of... WebbThe radioactivity of an element becomes164thof its original value in 60 seconds. Then the half value period is 1. 5 sec 2. 10 sec 3. 20 sec 4. 30 sec Nuclei Physics Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, …

WebbThe radioactivity of an element becomes 1/64thof its original value in 60 sec. The half value periods is A 5 sec B 10 sec C 20 sec D 30 sec Hard Answer Correct option is B 10 …

Webb5 aug. 2024 · The activity of a certain radioactive element drops to 1/64 of its initial value in 30 second. Its half life is : (a) 6 sec (b) 5 sec (c) 4 sec (d) 2 sec bitsat 1 Answer +1 … importance of collision in daily lifeWebbRadioisotopes are radioactive isotopes of an element. They can also be defined as atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus. How do radioisotopes occur? literacy softwareWebb24 mars 2024 · radioactivity, property exhibited by certain types of matter of emitting energy and subatomic particles spontaneously. It is, in essence, an attribute of individual atomic nuclei. An unstable nucleus will … importance of collagen for skinWebbThe radioactivity of a certain radioactive element drops to 1/64 of its initial value in 30 seconds. Its half-life is [CPMT 1990, 97] A) ... The ratio activity of an element becomes 1/64th of its original value in 60 sec. Then the half life period is [MP PMT 2002] ... importance of cod in wastewater treatmentWebbClick here👆to get an answer to your question ️ The radioactivity of an element becomes 1/64^th of its original value in 60 sec . The half value periods is. Join / Login >> Class 12 … importance of color in photographyWebb24 mars 2024 · Unstable forms emit ionizing radiation and are radioactive. There are some elements with no stable form that are always radioactive, such as uranium. Elements … importance of collaborative teachingWebb8 aug. 2024 · Most of the radioactivity in the human body comes from potassium-40 and carbon-14. Potassium and carbon are two elements that we absolutely cannot live … literacy society dawson creek