Why is there such a predominance of matter and so little antimatter?
Q: State the nuclear energy that occurs during positron emission hence explain why no positrons are…
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Q: What are Hugyen's postulates
A: Huygen's postulates are : 1. Each point of the medium situated on wavefront acts as a primary source…
Q: Determi ne V, and Ve for the circuit in figure below. rell 2201V
A: Here is a circuit in which given is resistance of capacitor , inductor and resistor . we need to…
Q: How did we get the 4,7? Why did we use one-twelfth there? What would the sketch look like?
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Q: definaton of homogeneous nucleation
A: Nucleation is the first step in the formation of either a new thermodynamic phase or a new…
Q: What do atoms and subatomic particle look like?
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Q: If 232Th (half-life 1.4 × 1010 years) and 238U (half-life 4.5 × 109years) were present in equal…
A: The radioactive decay formula is Nt=N0e-0.693tT12 ...... (1) From…
Q: Why wouldn't you expect to detect strong 21 cmt emission from an HIl region?
A: The 21 cm line corresponds to the wavelength of hydrogen gas. At 1420 Mhz the radiation released by…
Q: How come the Z-34 plant has 3 times more gravity than the earth when it is smaller than earth
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Q: Why High Energies are needed to study elementary particles?
A: Concept used: Different amounts of energies are required to probe and study the objects under…
Q: Differentiate nuclear fission from nuclear fusion.
A: Difference between nuclear fission and nuclear fusion - when the nucleus of an atom splits into…
Q: According to the article Alien Antimatter Crashes into Earth e: More than 60 years ago, future Nobel…
A: Glashow predicted that if an antineutrino collided with an electron. The process is famously called…
Q: why is 1 in the numerator?
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Q: Imagine you have a cylindrical geiger counter with a diameter of 1 in positioned 2 in away from a…
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Q: What kind of trail is left when an energetic particle shoots through matter?
A: Given: energetic particles
Q: The atomic nucleus is most often made up of
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Q: If 14 g of radon ga present gab with a halP -life of 4 days is in a ballon at t=0,what is the mass…
A: Most of the nuclides present in nature are unstable. Hence they decay to nearby stable nuclei by…
Q: Why the cathode ray tube (CRT) is named so?
A: A cathode-ray tube (CRT) is a vacuum tube in which an electron beam, deflected by applied electric…
Q: 40K decays to 40Ar with a half-life of 1.3 billion years. Argon is a gas, so 40Ar escapes into the…
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Q: What occurs when a particle of matter and a particle of antimatter meet?
A: When a particle of matter and a particle of antimatter meet they annihilate each other and neither…
Q: Tuo 3oap bubble haus radu in the rolio ef 4:3. hhat is ralis of uoek done to bloue these bubas @ 4:3…
A: To find- Ratio of work done w1w2=? Given- r1r2=43
Q: The percentage uncertainity in the area of a circle of radius (2.5 ± 0. 1) × 103 cm is a) 4% b) 0.1%…
A: Given : r = 2.5 ∆r = 0.1
Q: Name three different types of evidence for the existence of atoms.
A: Following are the three different type of evidence that proves the existence of the atoms.…
Q: The Hydrogen 3 nucleus (also called Tritium) consists of: a) two neutrons and one proton b) two…
A: Hydrogen-3 or H13 or Tritium is a radio-isotope of hydrogen.
Q: 2 ra 3 2 Is
A: Applying KVL to the upper loop,
Q: What is transmutation?
A: When one chemical element is converted to another element or its isotope, this process is known as…
Q: o make electricity using nuclear power O heat boils water into steam that turns the generator O heat…
A: Energy can not be created, but it can convert one form to another Here nuclear energy is converted…
Q: -21: Pair production confirm which aspect of Einstein theory? Explain.
A: Pair production is the creation of a subatomic particle and its antiparticle from a neutral boson.…
Q: In rock samples, the C^14 activity measured 12 mC (12 millicurie). C^14 half-life 5730 year.…
A: In radioactive decay, the substance having unstable nuclei emits radiation and loses energy. It…
Q: why nuclear fusion reactions in massive stars stop in iron through the concept of binding energy?
A: According to binding energy concept, the lighter element have lowest binding energy like He or H, so…
Q: Why didn’t atoms exist until hundreds of thousands of years after the Big Bang?
A: When the Big Bang occurred, the temperature and the density was too high, and it didn’t allow to…
Q: When Francium-211 decays because it is too large of an atom to be stable, what element is the…
A: Fr211 may under go alpha or beta decay
Q: What is the Qenc for cylindrical symmetry? lambda times length sigma time area rho…
A: As per Gauss's law, the flux is equal to the amount of charge within the surface enclosed by it.
Q: is that 6v or 6u and what does the letter stand for
A: Apply the momentum conservation equation when the objects stick. Here, pi is the initial momentum,…
Q: Whatdo you mean by electroweak theory?
A: This electroweak theory was discovered by Sheldon Glashow, Abdus Salam, and Steven Weinberg in 1979…
Why is there such a predominance of matter and so little antimatter?
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