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What is the force that holds protons and neutrons together in the nucleus of an atom?

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Description : What particles move around the nucleus of an atom and are negatively charged? (1) Electrons (2) Protons (3) Positrons (4) Neutrons 

Answer : Electrons

Description : What is the definition of electromagnetic force?

Description : Which unit holds data permanently?  (A) Input unit (B) Secondary storage unit (C) Output Unit (D) Primary Memory Unit

Answer : Which unit holds data permanently?  (A) Input unit (B) Secondary storage unit (C) Output Unit (D) Primary Memory Unit

Description : Which of the following does the Nucleus of an atom consist of? (1) Protons and neutrons (2) Protons and electrons (3) Electrons (4) Protons

Answer : Protons and neutrons

Description : The neutrons in an atom: w) are part of the nuclear charge x) rotate about the nucleus in elliptical orbits y) vary in number with different isotopes z) are always equal in number to the total number of protons

Answer : ANSWER: Y -- VARY IN NUMBER WITH DIFFERENT ISOTOPES 

Description : The chemical bahaviour of an atom depends upon (1) the number of protons in its nucleus (2) the number of neutrons in the nucleus (3) the number of electrons orbiting around the nucleus (4) the number of nucleons in the nucleus

Answer : the number of electrons orbiting around the nucleus

Description : The average life of neutrons after they decay is

Answer : The average life of neutrons after they decay is 10 sec

Description : What is the movement of electrons from atom to atom is called?

Description : What is the flow of electrons from one atom to another called?

Answer : Electric current

Description : The number of electrons in the outer most orbit of carbon atom is?

Answer : The number of electrons in the outer most orbit of carbon atom is 4.

Description : Atomic number of an atom gives the number of which of the following ? (1) electrons (2) protons (3) neutrons (4) neutrons and protons

Answer : protons

Description : Which of the following is the name given to the lines of electric force which move so that its beginning traces a closed curve on a positive surface and its end traces a corresponding closed curve on the negative surface? A) Tube of surface B) Tube of lines C) Tube of force D) Tube of electricity

Answer : Which of the following is the name given to the lines of electric force which move so that its beginning traces a closed curve on a positive surface and its end traces a corresponding closed curve on the negative ... A) Tube of surface B) Tube of lines C) Tube of force D) Tube of electricity

Description : An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is (1) 17 (2) 19 (3) 36 (4) 53

Answer : 19

Description : The ability of an atom to absorb neutrons is its neutron capture cross section. The unit of measurement for neutron capture cross section is: w) the nucleus volume x) capture capacity y) resonance quotient z) barn

Answer : ANSWER: Z -- BARN

Description : What is locomotive force?

Description : The binding energy of a nucleus is defined as one of the following. Is this definition: w) the energy equivalent to its mass x) the mass difference between its neutrons and protons y) the energy ... the difference between the mass of the nucleus and the sum of the masses of its protons and neutrons

Answer : ANSWER: Z -- THE DIFFERENCE BETWEEN THE MASS OF THE NUCLEUS AND THE UM 

Description : A single force and a couple acting in the same plane upon a rigid body?

Answer : A single force and a couple acting in the same plane upon a rigid body cannot balance each other.

Description : Define force and state its effects.

Answer : Force: It is an external agency either push or pull which changes or tends to change the state of rest or of uniform motion of a body, upon which it acts. Effects of force : i) It may change the state ... It may turn or rotate the body on which it acts. iv) It may deform the body on which it acts.

Description : Define magnetic lines of force. Also draw and show magnetic lines of force of a bar type magnet.

Answer : Magnetic Lines of force- These are the imaginary lines (having no physical existence) introduced by Faraday for the pictorial representation of the distribution of a magnetic field.  OR  A line of ... that the tangent at any point gives direction of the resultant force at that point. 

Description : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be?

Answer : On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be zero at its upper end.

Description : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?

Answer : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be upwards at its upper end.

Description : The unit of force in S.I. units is

Answer : The unit of force in S.I. units is Newton.

Description : State principle of transmissibility of force.

Answer : Principle of Transmissibility of Force: It states that if a force acts at a point on a rigid body, it is assumed to act at any other point on the line of action of force within the same body. 

Description : State law of Parallelogram of force.

Answer : Law of Parallelogram of force: It states that if two forces acting at and away from point be represented in magnitude direction by the two adjacent sides of parallelogram, then the ... passing through the point of intersection of the two forces represents the resultant in magnitude direction .

Description : State characteristics of force.

Answer : i) Magnitude: The quantity of force e.g. 10 N, 100 kN etc.  ii) Direction: It is the line along which the force acts. It is also called as line of action of the force.  iii) Point of ... .  Push: If the arrow head is pointed towards the point of application, the nature of the force is push.

Description : Magnetomotive force formula

Answer : Magnetomotive force formula

Description : Define magnetic lines of force. Show the magnetic lines of force for bar type magnet.

Answer : Magnetic linens of force is the imaginary lines for magnetic field of magnet around it. These magnetic lines of forces are introduced by Michael Faraday. The direction of lines of force is from N-pole to S-pole. The figure shows lines of force for bar type magnet.

Description : A field of force can exist only between?

Answer : A field of force can exist only between two ions.

Description : Limiting force of friction is the?

Answer : Limiting force of friction is the friction force acting when the body is just about to move.

Description : Frictional force encountered after commencement of motion is called?

Answer : Frictional force encountered after commencement of motion is called dynamic friction.

Description : The product of either force of couple with the arm of the couple is called?

Answer : The product of either force of couple with the arm of the couple is called moment of the couple.

Description : A force is completely defined when we specify?

Answer : A force is completely defined when we specify magnitude, direction, point of application.

Answer : Effect of a force on a body depends upon magnitude, direction, position or line of action.

Description : A force acting on a body may?

Answer : A force acting on a body may introduce internal stresses, balance the other forces acting on it, retard its motion, change its motion.

Description : In the hydrogen atom, the electron and proton are bound together by A. gravitational force. C. nuclear force. E. none of the above. B. electromagnetic force. D. chemical force.

Answer : B. electromagnetic force.

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

Answer : ANSWER: Y -- MOST OF THE MASS OF A GOLD ATOM IS IN ITS NUCLEUS

Description : The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by: w) Thompson x) Bohr y) Rutherford z) Einstein

Answer : ANSWER: X -- BOHR

Description : It is believed that carbon-14 in nature is slowly generated by the action of: w) protons on carbon-12 x) electrons on hydrogen y) cosmic rays on boron z) neutrons on nitrogen

Answer : ANSWER: Z -- NEUTRONS ON NITROGEN 

Description : Photoelectric electricity is produced directly from solar energy when which of the following are absorbed in a semiconductor to create an electric current? w) protons x) electrons y) neutrons z) photons

Answer : ANSWER: Z -- PHOTONS

Description : The enormous amount of energy released in an explosion of an atmoic bomb is due to the (1) conversion of mass into energy (2) conversion of chemical energy into heat energy (3) conversion of mechnical energy into nuclear energy (4) conversion of neutrons into protons

Answer :  conversion of neutrons into protons

Description : Isotopes of an element have different numbers of: w) electrons x) protons y) neutrons z) leptons

Answer : ANSWER: Y -- NEUTRONS

Description : How many neutrons are present in the nucleus of an element with an atomic weight of 119 and an atomic number of 50? 

Answer : ANSWER: 69

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

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

Description : Name the atom that has one proton and no neutrons? 

Answer : ANSWER: HYDROGEN

Description : Two atoms of the same element will have the same number of protons. If they have a different number of neutrons, what are they called?

Answer : ANSWER: ISOTOPES

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

Answer :  Proton and Neutron

Description : Number of neutrons in an atom of hydrogen is (1) One (2) Zero (3) Two (4) Three

Answer : Zero

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

Answer : Proton, neutron

Description : List the particles in the nucleus of an atom.

Description : When an atom undergoes beta decay, the atomic number of the nucleus: w) is unchanged x) increases by one y) decreases by one z) none of the above

Answer : ANSWER: X -- INCREASES BY ONE

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