Description : What name is given to the class of subatomic particles which include the proton, the neutron, and several heavier particles, such as the lambda, the sigma and the omega.
Last Answer : ANSWER: BARYONS
Description : An electron has a mass that is approximately __________ that of the proton. (A) 1836 (approximately) (B) 1/1836 (approximately) (C) 1 (D) ∞
Last Answer : (B) 1/1836 (approximately
Description : Of the following choices, approximately how many times greater is the mass of a proton than the mass of an electron? w) 200 x) 2000 y) 20,000 z) 200,000
Last Answer : ANSWER: X -- 2000
Description : Of the following particles, the particle having the least mass is (a) Meson (b) Neutron (c) Electron (d) Proton
Last Answer : Ans:(c)
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.
Description : Which of the following particles has the dual nature of particle-wave? (1) Electron (2) Meson (3) Proton (4) Neutron
Last Answer : (1) Electron
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.
Description : The following particles move with same kinetic energy. Which of them has maximum momentum? (1) Electron (2) Proton (3) Deutron (4) Alpha Particle
Last Answer : (4) Alpha Particle Explanation: The formula for kinetic energy in terms of momentum for fundamental particles is basically just a quantized version of the classical formula, KE=(P^2)/2m, where KE is kinetic energy, p is momentum and m is the particle’s mass.
Description : The alpha particles are compact clusters of-------? A. Electron and Proton B. Two Protons and two Neutrons (Answer) C. Three protons and three Neutrons D. None
Last Answer : B. Two Protons and two Neutrons (Answer)
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
Description : The antiparticle of an electron is (1) Positron (2) Proton (3) Alpha particles (4) Beta particles
Last Answer : Positron
Description : Which of the following particles has the dual nature of particle– wave? (1) Electron (2) Meson (3) Proton (4) Neutron
Last Answer : Electron
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
Description : The following particles move with same kinetic energy. Which of them has maximum momentum ? (1) Electron (2) Proton (3) Deutron (4) Alpha Particle
Last Answer : Alpha Particle
Description : Which term is defined as the emission of energy from subatomic particles?
Last Answer : Radiation
Description : What are the subatomic particles that are found outside of the nucleus and carry a negative charge?
Last Answer : electrons are the subatomic particles that are found outside ofthe nucleus and carry a negative charge
Description : How many subatomic particles make up an atom?
Last Answer : An atom is made up of three main subatomic particles called protons, neutrons, and electrons.
Description : What are the three subatomic particles of an atom? A. Protons,Neutrons & Electrons (Answer) B. Protons,Nucleus & Electrons C. Protons,Nucleus & Elements. D. Elements,Nucleus & Protons
Last Answer : A. Protons,Neutrons & Electrons (Answer)
Description : Atom is made up of------different kinds of subatomic particles: A. Three (Answer) B. Two C. Four D. None
Last Answer : A. Three (Answer)
Description : What are the three types of subatomic particles, and what are their charges?
Last Answer : Electrons-negative, protons-positive, and neutrons-neutral
Description : What is the mass of a proton is approximately equal to the mass of?
Last Answer : Need answer
Description : How much is the mass of an electron, proton and neutron ? -Science
Last Answer : The mass of an electron, proton and neutron is fllowing : Electron : 1/1840 u or 9x10^-28 grams. Proton : it's mass is 1840times more than of an electron ( 1u ) or 1.6x10^-24 grams. Neutron : it's mass is also is the same that of the proon ( 1u) or 1.6x10^-24 grams.
Description : Which one of the following has greatest mass? (1) electron (2) proton (3) neutron (4) hydrogen nucleus
Last Answer : (3) neutron
Description : The nuclear particle having no mass and no charge, but only spin is - (1) proton (2) neutrino (3) meson (4) electron
Last Answer : (2) neutrino Explanation: Neutrinos do not carry electric charge, and have mass quite small, though nonzero. Their mass is tiny even by the standards of subatomic particles. They are electrically neutral, weakly interacting elementary subatomic particles with half-integer spin.
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
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
Description : The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron? (A) 159 (B) 1837 (C) 2537 (D) 10000
Last Answer : (B) 1837
Last Answer : Option C
Description : Which one of the following is necessary for mass spectrometry to occur? A. Loss of an electron B. Change of alignment of a proton in a magnetic field C. A molecular vibration D. Excitation of an electron from the ground state to a higher energy state
Last Answer : Loss of an electron
Description : The nuclear particle having no mass and no charge, but only spin is (1) proton (2) neutrino (3) meson (4) electron
Last Answer : neutrino
Description : Which one of the following has greatest mass ? (1) electron (2) proton (3) neutron (4) hydrogen nucleus
Last Answer : neutron
Description : The ratio of mass of proton to that of electron is nearly?
Last Answer : The ratio of mass of proton to that of electron is nearly 1840.
Description : what is ratio of mass of proton to electron ?
Last Answer : proton mass = 1.6726219 × 10-27 kilogramselectron mass = 9.10938356 × 10-31 kilogramsRatio of mass of proton to electron = 1.6726219 × 10-27 kilograms / 9.10938356 × 10-31 kilograms= 1836.152676
Description : A scale in a lab measures the mass of object consistently more by 500 g than their actual mass. How would you describe the scale in terms
Last Answer : A scale in a lab measures the mass of object consistently more by 500 g than their actual ... describe the scale in terms of accuracy and precision?
Description : An electron microscope gives higher magnification than an optical microscope, because: (1) It uses more powerful lenses (2) the velocity of electron is smaller than that of visible (3) the ... particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light
Last Answer : (4) the wavelength of electrons is smaller as compared to the wavelength of visible light Explanation: An electron microscope uses a beam of electrons to illuminate a specimen and produce a ... photons. Magnification is the process of enlarging something only in appearance, not in physical size.
Description : An electron microscope gives higher magnification than an optical microscope, because : (1) it uses more powerful lenses (2) the velocity of electron is smaller than that of visible light (3) ... particles (4) the wavelength of electrons is smaller as compared to the wavelength of visible light
Last Answer : the wavelength of electrons is smaller as compared to the wavelength of visible light
Description : A proton moving with a constant velocity passes through a region of space without any changing its velocity. If `E` and `B` represent the electric and
Last Answer : A proton moving with a constant velocity passes through a region of space without any changing its velocity. If `E` and ... = 0` D. `E ne 0, B ne 0`
Description : In Rutherford's experiment involving the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered, led to one of the ... its nucleus z) the nucleus of a gold atom occupies nearly the entire space of the atom
Last Answer : ANSWER: Y -- MOST OF THE MASS OF A GOLD ATOM IS IN ITS NUCLEUS
Description : Who Discovered Proton Particles ?
Last Answer : Rutherford discovers proton particles.
Description : ___________ remain undeflected in a magnetic field a) β particles b) α particles c) γ rays d) Proton beams
Last Answer : c) γ rays
Description : One of the particles expected to be discovered at the Superconducting Super Collider is the: w) Higg's boson. x) tau meson. y) tachyon. z) anti-proton.
Last Answer : ANSWER: W -- HIGG'S BOSON.
Description : A proton and an alpha particle pass through the gap of a strong magnet. If both particles have the same initial velocity, how many times greater will the defection of the proton be relative to the deflection of the alpha particle? Will it be: w) the same x) 2 times y) 4 times z) 8 times
Last Answer : ANSWER: X -- 2 TIMES
Description : Could a neutron be a proton and an electron?
Last Answer : Not really, since that particular combination is a hydrogen atom. A neutron consists of three individual quarks, one blue, one red and one green. The quark colors refer to the charge of a quark, ... a chain reaction, it would never hit its target, because the like charges would repel each other.
Description : The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom is
Last Answer : The average current due to an electron orbiting the proton in the `n^(th)` Bohr orbit of the hydrogen atom ... `propn^3` C. `propb` D. none of these
Description : F=qvb is valid for proton or electron
Last Answer : F=qvb is valid for proton or electron
Description : An electron and a proton with equal momentum enter perpendicularly into a uniform magnetic field, then
Last Answer : An electron and a proton with equal momentum enter perpendicularly into a uniform magnetic field, then A. ... D. path of both will be straight line
Description : A proton and an electron both moving with the same velocity v enter into a region of magnetic field directed perpendicular to the velocity of the part
Last Answer : A proton and an electron both moving with the same velocity v enter into a region of magnetic field ... be higher D. their orbital radii will be same
Description : What is comprised of the other three proton atom electron neutron?
Last Answer : An atom contain protons, electrons and neutrons.
Description : The nucleus of a hydrogen atom consists of (a) One proton (b) One proton + two neutrons (c) One neutron only (d) One electron only
Last Answer : Ans:(a)