Description : A proton of mass `1.67xx10^(-27)` kg charge `1.6xx10^(-19) C` is projected in xy-plane with a speed of `2xx10^(6) m//s` at an angle of `60^(@)` to the
Last Answer : A proton of mass `1.67xx10^(-27)` kg charge `1.6xx10^(-19) C` is projected in xy-plane with a speed ... radius 0.14 m and time period `1.0xx10^(-7)s`
Description : A n `alpha`-particle of velocity `1.6xx10^(7) m s^(-1)` approaches a gold nucleii `(Z=79)`. Calculate the distance of closest approach. Mas of an `alp
Last Answer : A n `alpha`-particle of velocity `1.6xx10^(7) m s^(-1)` approaches a gold nucleii `(Z=79)`. Calculate ... of an `alpha`-particle `=6.6xx10^(-27) kg`.
Description : Electrons move at right angles to a magnetic field of `1.5xx10^(-2)` Tesla with a speed of `6xx10^(7)m//s`. If the specific charge of the electron is
Last Answer : Electrons move at right angles to a magnetic field of `1.5xx10^(-2)` Tesla with a speed of `6xx10^ ... C//kg`. The radius of the circular path will be
Description : The ratio of the wavelength of a proton & `alpha`-particle will be 1:2 if their
Last Answer : The ratio of the wavelength of a proton & `alpha`-particle will be 1:2 if their A. Velocity of ... energy of `alpha` particle is in the ratio 26:1
Description : A proton of energy `8 eV` is moving in a circular path in a uniform magnetic field. The energy of an alpha particle moving in the same magnetic field
Last Answer : A proton of energy `8 eV` is moving in a circular path in a uniform magnetic field. The energy of an alpha ... will be A. 4eV B. 22eV C. 8eV D. 6eV
Description : A proton, a deuteron and an `alpha`- particle having the same kinetic energy are moving in circular trajectors in a constant magnetic field. If `r_p,
Last Answer : A proton, a deuteron and an `alpha`- particle having the same kinetic energy are moving in circular trajectors in a ... )` D. `r_(p)=r_(d)=r_(alpha)`
Description : What is the equation for the transmutation that occurs when an alpha particle combines with an oxygen-16 atom emitting a proton?
Last Answer : Need answer
Description : A proton is identical to _____. (1) the nucleus of helium (2) the nucleus of a hydrogen atom (3) an alpha-particle (4) a beta particle
Last Answer : D. a beta particle
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 : 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 : 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 : A proton beam enters magnetic field of `10^(-4) "Wb//m^(2)` normally. If the specific charge of the proton is `10^(11) C//kg` and its velocity is `10^
Last Answer : A proton beam enters magnetic field of `10^(-4) "Wb//m^(2)` normally. If the specific charge of the proton is `10^ ... . 100 m B. 0.1 m C. 1 m D. 10 m
Description : Calculate the radius of the first and second orbit of sodium atom `(Z=11)`. `(h=6.6xx10^(-34) J s, e=1.6xx10^(-19) C` and `m=9.1xx10^(-31) kg.)`
Last Answer : Calculate the radius of the first and second orbit of sodium atom `(Z=11)`. `(h=6.6xx10^(-34) J s, e=1.6xx10^(-19) C` and `m=9.1xx10^(-31) kg.)`
Description : Calculate the speed of the electron in the first Bohr orbit given that `h=6.6xx10^(-34) Js, m=9.11xx10^(-31) kg` and `e=1.603xx10^(-19) C`.
Last Answer : Calculate the speed of the electron in the first Bohr orbit given that `h=6.6xx10^(-34) Js, m=9.11xx10^(-31) kg` and `e=1.603xx10^(-19) C`.
Description : A particle of specific charge `q//m = (pi) C//kg` is projected from the origin towards positive x-axis with a velocity of `10 m//s` in a uniform magne
Last Answer : A particle of specific charge `q//m = (pi) C//kg` is projected from the origin towards positive x-axis with a ... 5hat(j))m//s` D. `-10hat(j)m//s`
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 : 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 : Calculate the mass and mean density of the earth from the following data : `{:(,"Gravitational constant",(G),=6.6xx10^(-11)Nm^(2)kg^(-2)),(,"Radius of
Last Answer : Calculate the mass and mean density of the earth from the following data : `{:(,"Gravitational constant",(G),=6. ... to gravity",(g),=9.8ms^(-2)):}`
Description : What happens when the positively charge alpha particle hits the positively chage nucleus?
Description : Who was the first scientist whose alpha particle scatterring experiment led him to conclude that the the nucleus of an atom contains a dense center of positive charge is?
Last Answer : The experiments were being done by Ernest Marsden, and HansGeiger, under the supervision of Ernest Rutherford.
Description : What is the charge of an alpha particle?
Last Answer : 2+.
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 : 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 : The antiparticle of an electron is (1) Positron (2) Proton (3) Alpha particles (4) Beta particles
Last Answer : Positron
Description : One curie is equal to: w) the square root of the binding energy x) the energy of an alpha-particle y) 3.7 x 1010 disintegrations per second z) mc2
Last Answer : ANSWER: Y -- 3.7 x 1010 DISINTEGRATIONS PER SECOND
Description : A non-relative proton enters at right angles to a uniform magnetic field of `30 mT`. What is the frequency of revolution of the particle if the field
Last Answer : A non-relative proton enters at right angles to a uniform magnetic field of `30 mT`. What is ... of the particle if the field is sufficiently deep?
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 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.
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 : 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.
Description : An a-particle is _____. (1) A hydrogen molecule (2) A helium nucleus (3) An atom of hydrogen (4) A proton
Last Answer : (2) A helium nucleus Explanation: Alpha particle, positively charged particle, identical to the nucleus of the helium-4 atom, spontaneously emitted by some radioactive substances, consisting of two protons and two neutrons bound together.
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 : In the nuclear reaction, 93N239→ 94Pu 239 + ?; the missing particle is a/an (A) Electron (B) Proton (C) Neutron (D) Position
Description : A proton and a α particle enter a region having a perpendicular uniform magnetic field. The ratio of time period of proton (τp) to time period of α particle (τα) is a) 1:4 b) 4:1 c) 2:1 d) 1:2
Last Answer : d) 1:2
Description : The anti-particle to an electron is: w) proton x) positron y) neutron z) anti-proton
Last Answer : ANSWER: X -- POSITRON
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 : 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 particle required to continue the chain process of Uranium fission is : (1) Electron (2) Proton (3) Neutron (4) Positron
Last Answer : Neutron
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
Description : An electron is moving with a velocity of `10^(7) m s^(-1)`. Find its energy in electron volts. (Mass of electron `=9.1xx10^(-31) kg` and charge of ele
Last Answer : An electron is moving with a velocity of `10^(7) m s^(-1)`. Find its energy in electron volts. (Mass ... ` and charge of electron `=1.6xx10^(-19) C`)
Description : A charged particle of specific charge s moves undeflected through a region of space containing mutually perpendicular and uniform electric and magneti
Last Answer : A charged particle of specific charge s moves undeflected through a region of space containing mutually perpendicular and ... D. `(E)/(B^(2)S)`
Description : It is desired to concentrate a 20% salt solution (20 kg of salt in 100 kg of solution) to a 30% salt solution in an evaporator. Consider a feed of 300 kg/min at 30°C. The boiling point of the solution is 110°C, the latent heat of ... 3.06 10 5 (B) 6.12 10 5 (C) 7.24 10 5 (D) 9.08 10
Last Answer : (A) 3.06 × 10
Description : Utilizing the answer to the previous problem, estimate the overall or average increase in temperature ( ΔT) of the concrete roof from the energy absorbed from the sun during a12hour day. Assume that all of the radiation absorbed goes into ... °C b. 8.9°C c. 9.9°C d. 10.9°C formula: ΔQ = m c ΔT
Last Answer : 7.9 °C
Description : An ion is reduced to the element when it absords `6xx10^(20)` electrons. The number of equivalents of the ion is:
Last Answer : An ion is reduced to the element when it absords `6xx10^(20)` electrons. The number of equivalents of the ion is: A. 0.1 B. 0.01 C. 0.001 D. 0.0001
Description : In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. Determine the average current at any point on t
Last Answer : In a hydrogen atom, the electron makes about `0.6xx10^(16)` revolutions per second around the nucleus. ... at any point on the orbit of the electron.
Description : In hydrogen atom, the electron is making `6.6xx10^(15) rev//sec` around the nucleus in an orbit of radius `0.528 A`. The magnetic moment `(A-m^(2)) wi
Last Answer : In hydrogen atom, the electron is making `6.6xx10^(15) rev//sec` around the nucleus in an orbit of radius `0. ... ` C. `1xx10^(-23)` D. `1xx10^(-27)`
Description : In hydrogen atom, an electron is revolving in the orbit of radius `0.53 Å` with `6.6xx10^(15) rotations//second`. Magnetic field produced at the centr
Last Answer : In hydrogen atom, an electron is revolving in the orbit of radius `0.53 Å` with `6.6xx10^(15) rotations//second`. ... 5 Wb//m^(2)` D. `125 Wb/m^(2)`
Description : An electron revolves in a circule at the rate of `10^(19)` rounds per second. The rquivlent current is `(e=1.6xx10^(-19)C)`
Last Answer : An electron revolves in a circule at the rate of `10^(19)` rounds per second. The rquivlent current is `(e=1.6xx10^( ... B. `1.6A` C. `2.0A` D. `2.6A`