78 views
what is ratio of mass of proton to electron ?

1 Answer

Answer :


proton mass = 1.6726219 × 10-27 kilograms


electron mass = 9.10938356 × 10-31 kilograms


Ratio of mass of proton to electron =  1.6726219 × 10-27 kilograms / 9.10938356 × 10-31 kilograms

= 1836.152676


Like 1 like

Please log in or register to answer this question.

Related questions

1 view

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

1 answer
3 views

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 : Option C

1 answer
113 views

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.

1 answer
1 view

Description : Calculate the gravitational force between a proton and electron separated by a distance of 1 femtometer. Given mass of proton = 1.67×10–27 Kg Mass of electron = 9.1×10–31 Kg and 1 femtometer = 10–15 m

0 answers
0 views

Description : Imagine an atom made up of a proton and a hypotheticle particle of double the mass of electron but having the same charge as that of the electron. Apply the Bohr atom model and consider all possible transition of the hypothetical particle to the ... λ will be (1) 1.8 R (2) 7.2 R (3) 3.6 R (4) 4/R

0 answers
3 views

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.

1 answer
2 views

Description : A student makes scale models of the subatomic particles. He uses an object with a mass of 1 g to represent an electron. Approximately what mass should the object have that he uses to represent the proton?

Last Answer : about 1,800 g A+

1 answer
2 views

Description : Of the following particles, the particle having the least mass is (a) Meson (b) Neutron (c) Electron (d) Proton

Last Answer : Ans:(c)

1 answer
2 views

Description : Which one of the following has greatest mass? (1) electron (2) proton (3) neutron (4) hydrogen nucleus

Last Answer : (3) neutron

1 answer
1 view

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.

1 answer
4 views

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

1 answer
3 views

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

1 answer
7 views

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

1 answer
158 views

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

1 answer
12 views

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

1 answer
17 views

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

1 answer
31 views

Description : Which one of the following has greatest mass ? (1) electron (2) proton (3) neutron (4) hydrogen nucleus

Last Answer : neutron

1 answer
0 views

Description : An electron, proton and an alpha particle all have the same kinetic energy. The deBroglie wavelength is (1) shortest for the electron (2) shortest for the proton (3) shortest for the alpha particle (4) are in the ratio of masses of electron proton and alpha particle

0 answers
3 views

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

1 answer
0 views

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

0 answers
0 views

Description : An electron moves in a circular oribit of principle quantum number n in a hydrogen atom. What is torque of electrostatic force on electron due to proton about the center of its orbit?

0 answers
1 view

Description : The Proton–electron Model.

0 answers
0 views

Description : In a hypothetical hydrogen like atom; the electric potential between a proton and an electron, distant r apart, is given by V = V0ln (r/r0) where V0 and r0 are constants. Assuming that the atom still obeys Bohr's postulates, the dependence ... is as (1) rn ∝ n (2) rn ∝ n-1 (3) rn ∝ n2 (4) rn ∝ n-2

0 answers
0 views

Description : Circle the odd one: 1. a) Proton b) Dentron c) Electron d) Neutron 2. a) Nuclear power plants b) Hydroelectric plants c) Water heaters d) Windmills

0 answers
0 views

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.

1 answer
3 views

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

1 answer
2 views

Description : F=qvb is valid for proton or electron

Last Answer : F=qvb is valid for proton or electron

1 answer
12 views

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

1 answer
5 views

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

1 answer
1 view

Description : What is comprised of the other three proton atom electron neutron?

Last Answer : An atom contain protons, electrons and neutrons.

1 answer
2 views

Description : What is comprised of the other three proton atom electron neutron?

Last Answer : An atom contain protons, electrons and neutrons.

1 answer
2 views

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)

1 answer
2 views

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.

1 answer
4 views

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.

1 answer
2 views

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

1 answer
1 view

Description : An acid is a substance which (1) Donates a proton (2) Accepts an electron (3) Give H+ in water (4) All

Last Answer : (4) All Explanation: An acid is a chemical substance whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red and the ability to react with bases and certain metals to form salts.

1 answer
1 view

Description : Nuclear fission is caused by the impact of. (1) Proton (2) Electron (3) Neutron (4) (1) and (b)

Last Answer : (3) Neutron Explanation: In such a reaction, free neutrons released by each fission event can trigger yet more events, which in turn release more neutrons and cause more fission.

1 answer
2 views

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.

1 answer
3 views

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.

1 answer
0 views

Description : Nuclear fission is caused by the impact of - (1) Proton (2) Electron (3) Neutron (4) None of these

Last Answer : (3) Neutron Explanation: Nuclear fission in fissile fuels are the result of the nuclear excitation energy produced when a fissile nucleus captures a neutron.

1 answer
1 view

Description : The atomic number of hydrogen is 1. This implies that it contains _______ in its Kshell. (1) One neutron (2) One proton (3) One electron (4) None of the above

Last Answer : (3) One electron Explanation: This implies that Hydrogen has one electron in its K shell. Also, it requires one more electron to fill the K shell. So two hydrogen atoms share their electrons to form a molecule of hydrogen, H2.

1 answer
1 view

Description : Nucleus of an atom consists of. (1) Proton (2) Neutron (3) Proton and Neutron (4) Electron, Proton and Neutron

Last Answer : (3) Proton and 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' ... of an atom is located in the nucleus, with a very small contribution from the orbiting electrons.

1 answer
1 view

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.

1 answer
9 views

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.

1 answer
3 views

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

1 answer
10 views

Description : In the nuclear reaction, 93N239→ 94Pu 239 + ?; the missing particle is a/an (A) Electron (B) Proton (C) Neutron (D) Position

Last Answer : (A) Electron

1 answer
5 views

Description : What has no charge, and is one of the fundamental particles making up an atom’s nucleus? A. Electron B. Neutron (Answer) C. Proton D. All of Above

0 answers
3 views

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)

1 answer
1 view

Description : Number of conduction electrons per unit volume is A. electron number B. number density C. proton number D. neutron numbe

Last Answer : number density

1 answer
3 views

Description : . A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to (A) Lose a proton (B) Gain a proton (D) None of these (C) Lose an electron

Last Answer : (A) Lose a proton

1 answer
...