A nuclear reaction in which small nuclei combine to produce a larger nucleus is known as:

A nuclear reaction in which small nuclei combine to produce a larger nucleus is known as:
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ANSWER: FUSION or NUCLEAR FUSION
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(3) two light nuclei combine to form a heavy nucleus Explanation: Nuclear fusion is the process of making a single heavy nucleus (part of an atom) from two lighter nuclei. The difference in mass between the products and reactants is manifested as the release of large amounts of energy. Fusion is the process that powers active or "main sequence" stars, or other high magnitude stars.

Description : (3) two light nuclei combine to form a heavy nucleus Explanation: Nuclear fusion is the process of making a single heavy nucleus (part of an atom) from two lighter nuclei. The difference in mass ... . Fusion is the process that powers active or "main sequence" stars, or other high magnitude stars.

Last Answer : Helium is added to the oxygen supply of deep sea divers because it is - (1) less poisonous than nitrogen (2) (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure

Which one of the following takes place during a nuclear fusion? (1) a heavy nucleus bombarded by neutrons breaks up (2) a heavy nucleus breaks up spontaneously (3) two light nuclei combine to form a heavy nucleus (4) a light nucleus breaks up spontaneously

Description : Which one of the following takes place during a nuclear fusion? (1) a heavy nucleus bombarded by neutrons breaks up (2) a heavy nucleus breaks up spontaneously (3) two light nuclei combine to form a heavy nucleus (4) a light nucleus breaks up spontaneously

Last Answer : two light nuclei combine to form a heavy nucleus

The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called - (1) Nuclear fusion (2) Nuclear fission (3) Nuclear reaction (4) Fast breeding

Description : The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called - (1) Nuclear fusion (2) Nuclear fission (3) Nuclear reaction (4) Fast breeding

Last Answer : (2) Nuclear fission Explanation: Nuclear fission is a process used to create energy. It is when an atom splits apart into smaller atoms. The process gives off a lot of energy, and is used in nuclear weapons and nuclear reactors.

The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called - (1) Nuclear fusion (2) Nuclear fission (3) Nuclear reaction (4) Fast breeding

Description : The nuclear reaction in which a heavy nucleus splits into two nuclei of nearly equal mass is called - (1) Nuclear fusion (2) Nuclear fission (3) Nuclear reaction (4) Fast breeding

Last Answer : (2) Nuclear fission Explanation: Nuclear fission is a process used to create energy. It is when an atom splits apart into smaller atoms. The process gives off a lot of energy, and is used in nuclear weapons and nuclear reactors.

In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear reaction is called ? A. Chemical Reaction B. Nuclear reaction C. Fission nuclear reaction D. Fusion nuclear reaction (Answer) E. None of these

Description : In a fission nuclear reaction , a heavy nucleus breaks up into smaller nuclei whereas in another nuclear reaction two or more than two possibly nuclei are fused to form a heavy nucleus This nuclear ... reaction C. Fission nuclear reaction D. Fusion nuclear reaction (Answer) E. None of these

Last Answer : D. Fusion nuclear reaction (Answer)

The process of nuclear reorganization in protozoa in which the nucleus divides, each half undergoes a maturation, and the tw persisting functional nuclei reunite is known as: a) autogamy b) autolysis c) autoregression d) autotomy

Description : The process of nuclear reorganization in protozoa in which the nucleus divides, each half undergoes a maturation, and the tw persisting functional nuclei reunite is known as: a) autogamy b) autolysis c) autoregression d) autotomy

Last Answer : ANSWER: A -- Autogamy

Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the nucleus contains too many neutrons compared to the number of protons (c) Nuclei with atomic number greater than 82 show a tendency to disintegrate (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.

Description : Choose the incorrect statement from the following: (a) The nuclear becomes weak if the nucleus contains too many protons compared to the number of neutrons (b) The nuclear force becomes weak if the ... (d) The nuclear force becomes very strong if the nucleus contains a large number of nucleons.

Last Answer : Ans:(d)

The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is (A) Less (B) More (C) Same (D) Much more

Description : The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is (A) Less (B) More (C) Same (D) Much more

Last Answer : (A) Less

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 following conclusions. It was concluded that: w) the charge of an electron is negative x) the nucleus of a gold atom carries all its charge y) most of the mass of a gold atom is in its nucleus z) the nucleus of a gold atom occupies nearly the entire space of the atom

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

What refers to the strong repulsion between the positively charged nuclei which makes fusion reaction difficult to attain?  A. Atomic repulsion  B. Nuclear repulsion  C. Coulomb repulsion  D. Charge repulsion

Description : What refers to the strong repulsion between the positively charged nuclei which makes fusion reaction difficult to attain?  A. Atomic repulsion  B. Nuclear repulsion  C. Coulomb repulsion  D. Charge repulsion

Last Answer : Coulomb repulsion

In comparison to periportal hepatocytes, centrilobular zones are characterized by: C A. less smooth endoplasmic reticulum B. larger nuclei C. poorer oxygenation D. None of these

Description : In comparison to periportal hepatocytes, centrilobular zones are characterized by: C A. less smooth endoplasmic reticulum B. larger nuclei C. poorer oxygenation D. None of these

Last Answer : poorer oxygenation

If a U-238 nucleus splits into two identical parts, how will the two nuclei be so produced? -Do You Know?

Description : If a U-238 nucleus splits into two identical parts, how will the two nuclei be so produced? -Do You Know?

Last Answer : answer:

Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but lighter `._(2)H^(3)` cannot. Reason `(R) :` The

Description : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but lighter `._(2)H^(3)` cannot. Reason `(R) :` The

Last Answer : Assertion `(A) :` In radioactive disintegrations, `._(2)He^(4)` nuclei can come out of the nucleus but ... D. If both (A) and (R ) are incorrect.

If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be _____. A. Radioactive B. Stable C. Isotopes D. Isobars

Description : If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be _____. A. Radioactive B. Stable C. Isotopes D. Isobars

Last Answer : ANSWER: A

A heavy nucleus breaking up into smaller nuclei of almost equal size is called?

Description : A heavy nucleus breaking up into smaller nuclei of almost equal size is called?

Last Answer : Fission

If a U-238 nucleus splits into two identical parts, how will the two nuclei be so produced?

Description : If a U-238 nucleus splits into two identical parts, how will the two nuclei be so produced?

Last Answer : Stable

The process of splitting a heavy nucleus into two medium sized nuclei along with release of neutrons is called

Description : The process of splitting a heavy nucleus into two medium sized nuclei along with release of neutrons is called

Last Answer : nuclear fission.

Giardia trophozoites contains B A. One nucleus B. Two nuclei C. Three nuclei D. Four nuclei

Description : Giardia trophozoites contains B A. One nucleus B. Two nuclei C. Three nuclei D. Four nuclei

Last Answer : Two nuclei

Double fertilisation is fusion of (a) two eggs (b) two eggs and polar nuclei with pollen nuclei (c) one male gamete with egg and other with synergid (d) one male gamete with egg and other with secondary nucleus.

Description : Double fertilisation is fusion of (a) two eggs (b) two eggs and polar nuclei with pollen nuclei (c) one male gamete with egg and other with synergid (d) one male gamete with egg and other with secondary nucleus.

Last Answer : (d) one male gamete with egg and other with secondary nucleus.

What is the fate of the male gametes discharged in the synergid? (a) One fuses with the egg and other fuses with central cell nuclei. (b) One fuses with the egg, other(s) degenerates in the synergid. (c) All fuse with the egg. (d) One fuses with the egg, other(s) fuse(s) with synergid nucleus.

Description : What is the fate of the male gametes discharged in the synergid? (a) One fuses with the egg and other fuses with central cell nuclei. (b) One fuses with the egg, other(s) degenerates in the synergid. (c) All fuse with the egg. (d) One fuses with the egg, other(s) fuse(s) with synergid nucleus.

Last Answer : (a) One fuses with the egg and other fuses with central cell nuclei.

When embryosac receives two or more than two pollen tubes the sperm nucleus fusing with the egg nucleus may be derived from one pollen tube and one fusing with the polar nuclei may be derived from other pollen tube, the phenomenon is termed as

Description : When embryosac receives two or more than two pollen tubes the sperm nucleus fusing with the egg nucleus may be derived from one pollen tube and one fusing with the polar nuclei may be derived from other pollen tube, the phenomenon is termed as

Last Answer : When embryosac receives two or more than two pollen tubes the sperm nucleus fusing with the egg nucleus may be derived from one pollen tube and one fusing with the polar nuclei may be derived from other pollen tube, the phenomenon is termed as – Heterofertilization

In ________, we combine signals from different sources to fit into a larger bandwidth. A) spread spectrum B) line coding C) block coding D) none of the above

Description : In ________, we combine signals from different sources to fit into a larger bandwidth. A) spread spectrum B) line coding C) block coding D) none of the above

Last Answer : spread spectrum

Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because Statement-2 : Binding energy per nucleon of he

Description : Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because Statement-2 : Binding energy per nucleon of he

Last Answer : Statement-1 : Energy is released in the nuclear fusion of hydrogen nuclei to form helium nuclei Because ... Statement-2 is false, statement-2 is true

What is it called when nuclear energy plants break apart the nuclei of uranium atoms?

Description : What is it called when nuclear energy plants break apart the nuclei of uranium atoms?

Last Answer : Feel Free to Answer

Nuclear radiation is emitted by those elements whose: A. molecules are stable B. molecules are unstable C. nuclei are stable D. nuclei are unstable (Answer)

Description : Nuclear radiation is emitted by those elements whose: A. molecules are stable B. molecules are unstable C. nuclei are stable D. nuclei are unstable (Answer)

Last Answer : D. nuclei are unstable (Answer)

In a nuclear power reactor, fission produces heat which is used to produce electricity. A reactor producing more fissionable material than it consumes is known as what kind of reactor?

Description : In a nuclear power reactor, fission produces heat which is used to produce electricity. A reactor producing more fissionable material than it consumes is known as what kind of reactor? 

Last Answer : ANSWER: BREEDER REACTOR 

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

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

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

Electrons are excited in photosystem I. With what do these electrons combine to produce an energy-carrying molecule?

Description : Electrons are excited in photosystem I. With what do these electrons combine to produce an energy-carrying molecule?

Last Answer : NDHP+

An important step in protein synthesis is transcription. Which of the following statement(s) is/are true concerning this process? a. The first step in gene transcription involves separating the double helix of DNA by an enzyme known as DNA polymerase b. The initial product of DNA transcription is called heterogeneous nuclear RNA which codes directly for proteins c. After processing is complete, the mRNA is exported from the nucleus to the cytoplasm d. Only one protein can be produced from an initial mRNA strand

Description : An important step in protein synthesis is transcription. Which of the following statement(s) is/are true concerning this process? a. The first step in gene transcription involves separating the double helix ... nucleus to the cytoplasm d. Only one protein can be produced from an initial mRNA strand

Last Answer : Answer: c Transcription of a gene begins at an initiation site associated with a specific DNA sequence, termed a promoter region. After binding to DNA, the RNA polymerase opens up a short ... different proteins from the same gene. mRNA is exported from the nucleus only after processing is complete

Why is there a tedency for electrons to settle around a nuclei in up to eight layers?

Description : Why is there a tedency for electrons to settle around a nuclei in up to eight layers?

Last Answer : Quantized energy levels result from the relation between a particle's energy and its wavelength. For a confined particle such as an electron in an atom, the wave function has the form of ... next possible orbit has a distance twice the electron's wavelength. There can be nothing in between.

Which force binds the nuclei ?

Description : Which force binds the nuclei ?

Last Answer : A strong nuclear force binds the nuclei.

What name is given to those elementary particles for which there is a symmetry under intrapair production. Included are photons, pi mesons, and nuclei with an even number of particles.

Description : What name is given to those elementary particles for which there is a symmetry under intrapair production. Included are photons, pi mesons, and nuclei with an even number of particles. 

Last Answer : ANSWER: BOSONS

Alpha particles are nuclei of: w) hydrogen x) helium y) oxygen z) nitrogen

Description : Alpha particles are nuclei of: w) hydrogen x) helium y) oxygen z) nitrogen

Last Answer : ANSWER: X -- HELIUM

Nuclear reactors used to produce electricity are based on – (1) Nuclear fission (2) Nuclear fusion (3) Cold fusion (4) Superconductivity

Description : Nuclear reactors used to produce electricity are based on – (1) Nuclear fission (2) Nuclear fusion (3) Cold fusion (4) Superconductivity

Last Answer : (1) Nuclear fission Explanation: A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are used for generating electricity and for the propulsion ... (water or gas), which runs through turbines that power either ship's propellers or generators.

Nuclear reactors used to produce electricity are based on (1) nuclear fission (2) nuclear fusion (3) cold fusion (4) superconductivity

Description : Nuclear reactors used to produce electricity are based on (1) nuclear fission (2) nuclear fusion (3) cold fusion (4) superconductivity

Last Answer : nuclear fission

What small dense region do nuclei contain?

Description : What small dense region do nuclei contain?

Last Answer : Need answer

The cells of the quiescent centre are characterised by (a) having dense cytoplasm and prominent nuclei (b) having light cytoplasm and small nuclei (c) dividing regularly to add to the corpus (d) dividing regularly to add to tunica.

Description : The cells of the quiescent centre are characterised by (a) having dense cytoplasm and prominent nuclei (b) having light cytoplasm and small nuclei (c) dividing regularly to add to the corpus (d) dividing regularly to add to tunica.

Last Answer : (b) having light cytoplasm and small nuclei

The cells of the quiescent centre are characterised by (a) having dense cytoplasm and prominent nuclei (b) having light cytoplasm and small nuclei (c) dividing regularly to add to the corpus (d) dividing regularly to add to tunica

Description : The cells of the quiescent centre are characterised by (a) having dense cytoplasm and prominent nuclei (b) having light cytoplasm and small nuclei (c) dividing regularly to add to the corpus (d) dividing regularly to add to tunica

Last Answer : b) having light cytoplasm and small nuclei

What are the identifying features of meristematic tissues? (a) thick cellulose wall, small vacuoles, dense cytoplasm, small nuclei (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, prominent nuclei (c) thin cellulose wall,no vacuoles, sparse cytoplasm, prominent nuclei (d) thick cellulose, large vacuoles, sparse cytoplasm, small nuclei

Description : What are the identifying features of meristematic tissues? (a) thick cellulose wall, small vacuoles, dense cytoplasm, small nuclei (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, ... sparse cytoplasm, prominent nuclei (d) thick cellulose, large vacuoles, sparse cytoplasm, small nuclei

Last Answer : (b) thin cellulose wall, almost no vacuoles, dense cytoplasm, prominent nuclei

What happens in a nuclear reaction mass must be lost to produce energy?

Description : What happens in a nuclear reaction mass must be lost to produce energy?

Last Answer : The mass is not lost but transformed in energy.

A small hole in a sheet of aluminum foil is used to diffract yellow light both under water and in a vacuum. Which is true? w) light diffracts less in the water because its wavelength is larger. x) light diffracts less in the water because its wavelength is smaller. y) light diffracts more in the water because its wavelength is larger. z) light diffracts more in the water because its wavelength is smaller.

Description : A small hole in a sheet of aluminum foil is used to diffract yellow light both under water and in a vacuum. Which is true? w) light diffracts less in the water because its wavelength is ... because its wavelength is larger. z) light diffracts more in the water because its wavelength is smaller.

Last Answer : ANSWER: X -- LIGHT DIFFRACTS LESS IN THE WATER BECAUSE ITS WAVELENGTH IS SMALLER

It has been said that the universe will die an "entropy death". This means that: w) the universe will eventually explode. x) the universe will be at the same temperature everywhere. y) the universe will collapse into a black hole. z) matter and antimatter will never combine.

Description : It has been said that the universe will die an "entropy death". This means that: w) the universe will eventually explode. x) the universe will be at the same temperature everywhere. y) the universe will collapse into a black hole. z) matter and antimatter will never combine.

Last Answer : ANSWER: X -- THE UNIVERSE WILL BE AT THE SAME TEMPERATURE EVERYWHERE.  

Consider two water drops at a temperature T. These drops are NOT allowed to exchange energy with their environment. These two drops collide and combine. How does the temperature of these drops change when they combine? Does it: w) decrease x) remain the same y) increase

Description : Consider two water drops at a temperature T. These drops are NOT allowed to exchange energy with their environment. These two drops collide and combine. How does the temperature of these drops change when they combine? Does it: w) decrease x) remain the same y) increase

Last Answer : ANSWER: Y -- INCREASE

In studies of cells, the nuclei, mitochondria, endoplasmic reticulum, dictyosomes, microbodies and plastids are collectively known as what in the eucaryotic cell?

Description : In studies of cells, the nuclei, mitochondria, endoplasmic reticulum, dictyosomes, microbodies and plastids are collectively known as what in the eucaryotic cell?

Last Answer : ANSWER: ORGANELLES

What is a chemical reaction in which 2 elements combine to form a compound is called?

Description : What is a chemical reaction in which 2 elements combine to form a compound is called?

Last Answer : Feel Free to Answer

What type of reaction occurs when two or more simpler substances combine to form a more complex one?

Description : What type of reaction occurs when two or more simpler substances combine to form a more complex one?

Last Answer : Need answer

What substances combine without a chemical reaction?

Description : What substances combine without a chemical reaction?

Last Answer : These substances are called reactants.

Which one of the following statements is not correct ? (A) Business firms combine to avoid wasteful competition (B) Business combination is possible only among joint stock companies (C) Business firms may combine to take advantage of patent rights of individual firms (D) During economic depression, small firms are absorbed by financially sound large firms

Description : Which one of the following statements is not correct ? (A) Business firms combine to avoid wasteful competition (B) Business combination is possible only among joint stock companies (C) Business ... firms (D) During economic depression, small firms are absorbed by financially sound large firms

Last Answer : Answer: Business combination is possible only among joint stock companies

The process by which smaller nuclear joins and forms larger nucelus is called?

Description : The process by which smaller nuclear joins and forms larger nucelus is called?

Last Answer : Fusion reaction

In nuclear fission reactions, what causes the atom’s nucleus to become unstable?

Description : In nuclear fission reactions, what causes the atom’s nucleus to become unstable?

Last Answer : the absorption of a free-moving neutron by the atom's nucleus