How Are the atomic and mass number Affected by positron emission?

How Are the atomic and mass number Affected by positron emission?
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Decrease in atomic number is observed during a)`alpha`-emission b)`beta`-emission c)positron emission d)electron capture

Description : Decrease in atomic number is observed during a)`alpha`-emission b)`beta`-emission c)positron emission d)electron capture

Last Answer : Decrease in atomic number is observed during a)`alpha`-emission b)`beta`-emission c)positron emission ... `-emission C. positron emission D. K-capture

The decrease in the atomic number is not observed in case of (A) Electron capture (B) β-emission (C) α-emission (D) Positron emission

Description : The decrease in the atomic number is not observed in case of (A) Electron capture (B) β-emission (C) α-emission (D) Positron emission

Last Answer : (B) β-emission

Match the Column-I with Column-II: `{:("Column-I","Column-II"),((a) n to p^(+) + ......,(p) "Positron emission"),((b) p^(+) to n + .....,(q) beta - "e

Description : Match the Column-I with Column-II: `{:("Column-I","Column-II"),((a) n to p^(+) + ......,(p) "Positron emission"),((b) p^(+) to n + .....,(q) beta - "e

Last Answer : Match the Column-I with Column-II: `{:("Column-I","Column-II"),((a) n to p^(+) + ......,(p) " ... + 2 beta^(+) + "Energy",(s) alpha - "emission"):}`

The emission of a positron from a radioactive atom is generally accompanied by the emission of one of the following. Is it accompanied by the emission of: w) a meson x) a baryon y) an antineutrino z) a neutrino

Description : The emission of a positron from a radioactive atom is generally accompanied by the emission of one of the following. Is it accompanied by the emission of: w) a meson x) a baryon y) an antineutrino z) a neutrino

Last Answer : ANSWER: Z -- A NEUTRINO

The atomic number of a nucleus will increase by 1 if which of the following is emitted by the nucleus? w) an alpha particle x) a positron y) a beta particle z) a gamma ray

Description : The atomic number of a nucleus will increase by 1 if which of the following is emitted by the nucleus? w) an alpha particle x) a positron y) a beta particle z) a gamma ray

Last Answer : ANSWER: Y -- BETA PARTICLE 

When an atomic nucleus emits a beta particle, one of its neutrons disintegrates into one of the following set of particles. Does it disintegrate into: w) a positron and an electron x) a proton, an electron, and an antineutrino y) a proton, an electron, and a positron z) a neutrino and an antineutrino

Description : When an atomic nucleus emits a beta particle, one of its neutrons disintegrates into one of the following set of particles. Does it disintegrate into: w) a positron and an electron x) a proton, an ... and an antineutrino y) a proton, an electron, and a positron z) a neutrino and an antineutrino

Last Answer : ANSWER: X -- A PROTON, AN ELECTRON AND AN ANTINEUTRINO 

Calculate the amount of energy set free by the annigilation of an electron and a positron. Given that mass of electron `= 0.00055` amu and positron =

Description : Calculate the amount of energy set free by the annigilation of an electron and a positron. Given that mass of electron `= 0.00055` amu and positron =

Last Answer : Calculate the amount of energy set free by the annigilation of an electron and a positron. Given that ... 0.00055` amu and positron = 0.00055 amu.

Find the minimum energy that a `gamma`-ray must have to give rise to an electron -positron pair. `{:("Mass of electron",= 0.00055 am u,),("Mass of pos

Description : Find the minimum energy that a `gamma`-ray must have to give rise to an electron -positron pair. `{:("Mass of electron",= 0.00055 am u,),("Mass of pos

Last Answer : Find the minimum energy that a `gamma`-ray must have to give rise to an electron -positron pair. `{:("Mass ... ("Mass of positron",= 0.00055 am u,):}`

Pick out the wrong statement. (A) The nucleus of a hydrogen atom is identical with a proton (B) A, β-ray particle is identical with an electron (C) Mass of an electron is about 1/1800th of the lightest nucleus (D) Positron is heavier than a proton

Description : Pick out the wrong statement. (A) The nucleus of a hydrogen atom is identical with a proton (B) A, β-ray particle is identical with an electron (C) Mass of an electron is about 1/1800th of the lightest nucleus (D) Positron is heavier than a proton

Last Answer : (D) Positron is heavier than a proton

Mass of a positron is same as that of a/an (A) Electron (B) α-particle (C) Proton (D) Neutron

Description : Mass of a positron is same as that of a/an (A) Electron (B) α-particle (C) Proton (D) Neutron

Last Answer : (A) Electron

If energy of incident photon is greater than the rest mass energy of electron positron pair, the surplus energy is shared by the pair as, a) Potential energy b) Thermal energy c) Electronic energy d) Kinetic energy

Description : If energy of incident photon is greater than the rest mass energy of electron positron pair, the surplus energy is shared by the pair as, a) Potential energy b) Thermal energy c) Electronic energy d) Kinetic energy

Last Answer : d) Kinetic energy

Pick out the wrong statement. (A) Heat transfer from a hot body to cold body by the emission of heat waves is called radiation (B) Filmwise condensation takes place on non-wettable surfaces (C) The boiling point of a solution is affected by liquid head as well as boiling point elevation (D) None of these

Description : Pick out the wrong statement. (A) Heat transfer from a hot body to cold body by the emission of heat waves is called radiation (B) Filmwise condensation takes place on non-wettable surfaces (C) The ... of a solution is affected by liquid head as well as boiling point elevation (D) None of these

Last Answer : (B) Filmwise condensation takes place on non-wettable surfaces

The emission of an a-particle causes the resultant nucleus to have (A) More atomic weight and less atomic number (B) Less atomic weight and less atomic number (C) Less atomic weight and more atomic number (D) None of these

Description : The emission of an a-particle causes the resultant nucleus to have (A) More atomic weight and less atomic number (B) Less atomic weight and less atomic number (C) Less atomic weight and more atomic number (D) None of these

Last Answer : (A) More atomic weight and less atomic number

How are atomic emission spectra used to identify elements?

Description : How are atomic emission spectra used to identify elements?

Last Answer : Atomic emission spectra are chracteristic for each element.

The mercury and sodium street lamps light up because of – (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Description : The mercury and sodium street lamps light up because of – (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Last Answer : (1) Atomic emission Explanation: The light in sodium vapour lamp and mercury vapour lamp is, because of electron emission. In case of Sodium Lamps, filaments of the lamp sputter ... energy levels and the electrons thus excited relax by emitting the characteristic monochromatic bright yellow light.

The mercury and sodium street lamps light up because of : (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Description : The mercury and sodium street lamps light up because of : (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Last Answer : Atomic emission

Pick out the wrong statement. (A) Atoms with same number of nucleons but different number of protons are called isobars (B) Atoms with same number of protons but different number of nucleons are called isoters (C) Out of α, β, and γ-rays, the one having maximum penetration power are γ-rays (D) The product formed by emission of α-particle has mass number less by 4 units than the parent nuclide

Description : Pick out the wrong statement. (A) Atoms with same number of nucleons but different number of protons are called isobars (B) Atoms with same number of protons but different number of nucleons are ... product formed by emission of α-particle has mass number less by 4 units than the parent nuclide

Last Answer : (B) Atoms with same number of protons but different number of nucleons are called isoters

Which product is produced when Be-9 undergoes positron decay?

Description : Which product is produced when Be-9 undergoes positron decay?

Last Answer : Beryllium-9 is a stable isotope.

Which of the following is the name of the smallest part of the matter discovered by the scientists? A. Proton B. Neutron C. Positron D. Quark

Description : Which of the following is the name of the smallest part of the matter discovered by the scientists? A. Proton B. Neutron C. Positron D. Quark

Last Answer : ANSWER: D

The particle required to continue the chain process of Uranium fission is – (1) Electron (2) Proton (3) Neutron (4) Positron

Description : The particle required to continue the chain process of Uranium fission is – (1) Electron (2) Proton (3) Neutron (4) Positron

Last Answer : (3) Neutron Explanation: Fission as encountered in the modern world is usually a deliberately produced man-made nuclear reaction induced by a neutron. The nuclear fuels undergo fission when struck by fission ... rate in a nuclear reactor or at a very rapid uncontrolled rate in a nuclear weapon.

The antiparticle of an electron is – (1) Positron (2) Proton (3) Alpha particles (4) Beta particles

Description : The antiparticle of an electron is – (1) Positron (2) Proton (3) Alpha particles (4) Beta particles

Last Answer : (1) Positron Explanation: Corresponding to most kings of particles, there is an associated antiparticle with the same mass and opposite charge (including electric charge). The antiparticle of the ... radioactive decay. The opposite is also true: the antiparticle of the positron is the electron.

Gamma rays are - (1) High energy electrons (2) Low energy electrons (3) High energy electromagnetic (4) High energy positron waves

Description : Gamma rays are - (1) High energy electrons (2) Low energy electrons (3) High energy electromagnetic (4) High energy positron waves

Last Answer : (3) High energy electromagnetic Explanation: Gamma rays (γ) refer to electromagnetic radiation of an extremely high frequency and therefore consist of high energy photons.

Which of the following is not a nucleon? (1) Proton (2) Neutron (3) Electron (4) Positron

Description : Which of the following is not a nucleon? (1) Proton (2) Neutron (3) Electron (4) Positron

Last Answer : (4) Positron Explanation: Nucleon is one of the particles that makes up the atomic nucleus. Each atomic nucleus consists of one or more nucleons, and each atom in turn consists of a cluster of ... nucleon number may be used in place of the more common terms mass number or atomic mass number.

The fundamental particles present in the nucleus of an atom are - (1) Electron, proton (2) Proton, neutron (3) Neutron, electron (4) Neutron, positron

Description : The fundamental particles present in the nucleus of an atom are - (1) Electron, proton (2) Proton, neutron (3) Neutron, electron (4) Neutron, positron

Last Answer : (2) Proton, neutron Explanation: The nucleus is the very dense region consisting of protons and neutrons at the center of an atom. It was discovered in 1911, as a result of Ernest Rutherford's ... mass of an atom is located in the nucleus, with a very small contribution from the orbiting electrons.

Name the particle that is most essential to continue the chain reaction during the fission of uranium - (1) Electron (2) Proton (3) Neutron (4) Positron

Description : Name the particle that is most essential to continue the chain reaction during the fission of uranium - (1) Electron (2) Proton (3) Neutron (4) Positron

Last Answer : (3) Neutron Explanation: Nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei), often producing ... in the modern world is usually a deliberately produced manmade nuclear reaction induced by a neutron.

Good conductors have many loosely bound _____. (1) neutrons (2) protons (3) positron (4) electrons

Description : Good conductors have many loosely bound _____. (1) neutrons (2) protons (3) positron (4) electrons

Last Answer : (4) electrons Explanation: In a conductor, the outer electrons of the atoms are loosely bound and free to move through the material.

Pick out the correct statement. (A) Positron is the antiparticle of electron (B) In α-decay, the ratio of neutron to proton decreases (C) Ionising power of β-rays is higher than that of α-rays (D) Speed of α-rays is more than that of γ-ray

Description : Pick out the correct statement. (A) Positron is the antiparticle of electron (B) In α-decay, the ratio of neutron to proton decreases (C) Ionising power of β-rays is higher than that of α-rays (D) Speed of α-rays is more than that of γ-ray

Last Answer : (A) Positron is the antiparticle of electron

Positron is a/an (A) Nucleus having two protons (B) Helium nucleus (C) Electron with positive charge (D) Nucleus with one proton and one neutron

Description : Positron is a/an (A) Nucleus having two protons (B) Helium nucleus (C) Electron with positive charge (D) Nucleus with one proton and one neutron

Last Answer : (C) Electron with positive charge

Positron (+ve charge) was discovered by?

Description : Positron (+ve charge) was discovered by?

Last Answer : Carl Anderson

Max Planck received the noble prize in Physics in 1918 for his discovery of ? A. electron B. energy quanta (Answer) C. photon D. positron

Description : Max Planck received the noble prize in Physics in 1918 for his discovery of ? A. electron B. energy quanta (Answer) C. photon D. positron

Last Answer : B. energy quanta (Answer)

Positron was discovered by a) J. J. Thomson b) Millikan c) Anderson d) Dirac

Description : Positron was discovered by a) J. J. Thomson b) Millikan c) Anderson d) Dirac

Last Answer : d) Dirac

Dirac theoretically predicted the existence of the positron. Who experimentally identified positrons in 1932 in cloud chamber pictures of cosmic ray particle tracks?

Description : Dirac theoretically predicted the existence of the positron. Who experimentally identified positrons in 1932 in cloud chamber pictures of cosmic ray particle tracks?

Last Answer : ANSWER: (C. D.) ANDERSON

Dr. Leon Lederman and two other physicists won the Nobel prize for discovering an elementary particle. That particle is the: w) positron x) meson y) muon z) neutrino

Description : Dr. Leon Lederman and two other physicists won the Nobel prize for discovering an elementary particle. That particle is the: w) positron x) meson y) muon z) neutrino

Last Answer : ANSWER: Z -- NEUTRINO

The anti-particle to an electron is: w) proton x) positron y) neutron z) anti-proton

Description : The anti-particle to an electron is: w) proton x) positron y) neutron z) anti-proton

Last Answer : ANSWER: X -- POSITRON

Who first theoretically predicted the existence of the positron, a positively charged electron? He received the Nobel Prize in Physics in 1933.

Description : Who first theoretically predicted the existence of the positron, a positively charged electron? He received the Nobel Prize in Physics in 1933. 

Last Answer : ANSWER: (PAUL ADRIEN MAURICE) DIRAC

The antiparticle of an electron is (1) Positron (2) Proton (3) Alpha particles (4) Beta particles

Description : The antiparticle of an electron is (1) Positron (2) Proton (3) Alpha particles (4) Beta particles

Last Answer : Positron

The particle required to continue the chain process of Uranium fission is : (1) Electron (2) Proton (3) Neutron (4) Positron

Description : The particle required to continue the chain process of Uranium fission is : (1) Electron (2) Proton (3) Neutron (4) Positron

Last Answer : Neutron

Name the particle that is most essential to continue the chain reaction during the fission of uranium- (1) Electron (2) Proton (3) Neutron (4) Positron

Description : Name the particle that is most essential to continue the chain reaction during the fission of uranium- (1) Electron (2) Proton (3) Neutron (4) Positron

Last Answer : Neutron

Which of the following is not a nucleon? (1) Proton (2) Neutron (3) Electron (4) Positron

Description : Which of the following is not a nucleon? (1) Proton (2) Neutron (3) Electron (4) Positron

Last Answer : Positron

The fundamental particles present in the nucleus of an atom are (1) Electron, proton (2) Proton, neutron (3) Neutron, electron (4) Neutron, positron

Description : The fundamental particles present in the nucleus of an atom are (1) Electron, proton (2) Proton, neutron (3) Neutron, electron (4) Neutron, positron

Last Answer : Proton, neutron

A radioactive substance does not undergo any change (in mass or charge) during – (1) ganuna-emission (2) oxidation (3) alpha-emission (4) beta-emission

Description : A radioactive substance does not undergo any change (in mass or charge) during – (1) ganuna-emission (2) oxidation (3) alpha-emission (4) beta-emission

Last Answer : (1) ganuna-emission Explanation: Gamma-rays do not carry any charge. These rays do not have any mass and hence can not be considered to be made up of particles.

A radioactive substance does not undergo any change (in mass or charge) during (1) gamma-emission (2) oxidation (3) alpha-emission (4) beta-emission

Description : A radioactive substance does not undergo any change (in mass or charge) during (1) gamma-emission (2) oxidation (3) alpha-emission (4) beta-emission

Last Answer : gamma-emission

The development of atomic technology affected daily life in the United States in all the following ways except: -History 9th

Description : The development of atomic technology affected daily life in the United States in all the following ways except: -History 9th

Last Answer : answer:

If photons have no mass, why are they affected by gravity? (Strange Universe series)

Description : If photons have no mass, why are they affected by gravity? (Strange Universe series)

Last Answer : answer:Perhaps the conditional is dependent upon having an anti particle, of which the photon has none, allowing it to be simultaneously both wave and particle. But that hypothesis would be ... which creates the gravity lens. Could be a unique property of not having an antiparticle counterpart.

Mass transfer co-efficient of liquid is (A) Affected more by temperature than that for gases (B) Affected much less by temperature than that for gases

Description : Mass transfer co-efficient of liquid is (A) Affected more by temperature than that for gases (B) Affected much less by temperature than that for gases

Last Answer : (A) Affected more by temperature than that for gases

An element X has a mass number 4 and atomic number 2. Write the valency of this element? -Science

Description : An element X has a mass number 4 and atomic number 2. Write the valency of this element? -Science

Last Answer : Mass number = 4 Atomic number = 2 X is Helium. It has 0 valency and it will not react with any other atom because it has its outer shell filled.

What is the number of electrons in an atom of atomic number Z and mass number A? -Do You Know?

Description : What is the number of electrons in an atom of atomic number Z and mass number A? -Do You Know?

Last Answer : answer:

What is the atomic number and mass ?

Description : What is the atomic number and mass ?

Last Answer : Be Atomic number 4 and mass 9

For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons , neutrons and electrons respectivel

Description : For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons , neutrons and electrons respectivel

Last Answer : For an element , if atomic number (Z) and mass number (A) are 29 and 63 respectively . Then the number of protons ... C. 29 , 34 ,29 D. 29 , 29 , 29

Number of atoms of He in 100 amu of He is : (Atomic mass of He is 4) :-

Description : Number of atoms of He in 100 amu of He is : (Atomic mass of He is 4) :-

Last Answer : Number of atoms of He in 100 amu of He is : (Atomic mass of He is 4) :- A. 25 B. 100 C. 50 D. `100 xx 6 xx 10^(-23)`