`beta` rays are emitted from the _________.

`beta` rays are emitted from the _________.
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`beta` rays are emitted from the _________.
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Consider the following statements: 1. The nuclear forces are short range forces. 2. Alpha rays emitted by a radionuclide are helium nucleus. 3. Gamma rays are electromagnetic waves. 4. Beta rays emitted by a radionuclide are negatively charged particles. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Description : Consider the following statements: 1. The nuclear forces are short range forces. 2. Alpha rays emitted by a radionuclide are helium nucleus. 3. Gamma rays are electromagnetic waves. 4. Beta rays emitted by a radionuclide are negatively ... 1, 3 and 4 only (c) 1, 2, 3 and 4 (d) 1, 2 and 3 only

Last Answer : Ans:(c)

Beta rays emitted by a radioactive material are – (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

Description : Beta rays emitted by a radioactive material are – (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

Last Answer : (2) Charged particles emitted by nucleus Explanation: A beta ray is a high-energy, highspeed electron (negatively charged) or positron (positively charged) emitted in the radioactive decay of an atomic nucleus, such as a potassium40 nucleus, in the process of beta decay.

Beta rays emitted by a radioactive material are (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

Description : Beta rays emitted by a radioactive material are (1) The electrons orbiting around the nucleus (2) Charged particles emitted by nucleus (3) Neutral particles (4) Electromagnetic radiations

Last Answer : Charged particles emitted by nucleus

The number of `alpha`-and `beta`-particles emitted in the nuclear reaction, `._(90)Th^(228) to ._(83)Bi^(212)`, respectively are

Description : The number of `alpha`-and `beta`-particles emitted in the nuclear reaction, `._(90)Th^(228) to ._(83)Bi^(212)`, respectively are

Last Answer : The number of `alpha`-and `beta`-particles emitted in the nuclear reaction, `._(90)Th^(228) to ._(83)Bi^( ... ` and `1 beta` D. `4 alpha` and `7 beta`

Statement-2 `beta` particle are emitted by nucleus Because Statement-2 : Following transformation take place in `beta`-emission. `._(0)^(1)n to ._(1)^

Description : Statement-2 `beta` particle are emitted by nucleus Because Statement-2 : Following transformation take place in `beta`-emission. `._(0)^(1)n to ._(1)^

Last Answer : Statement-2 `beta` particle are emitted by nucleus Because Statement-2 : Following transformation take ... Statement-2 is false, statement-2 is true

`beta`-particle is emitted in radioactivity by

Description : `beta`-particle is emitted in radioactivity by

Last Answer : `beta`-particle is emitted in radioactivity by A. conversion of proton to neutron B. from outermost ... to proton D. `beta`-particle is not emitted

The number of `alpha` and `beta`-particles emitted in the nuclear reaction `._(90)^(210) Th to ._(83)^(212)Bi` are:

Description : The number of `alpha` and `beta`-particles emitted in the nuclear reaction `._(90)^(210) Th to ._(83)^(212)Bi` are:

Last Answer : The number of `alpha` and `beta`-particles emitted in the nuclear reaction `._(90)^(210) Th to ._(83)^(212 ... `3 alpha, 7 beta` D. `4 alpha, 1 beta`

Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta-particles emitted by `Be^(10)` nuclei formed directly in t

Description : Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta-particles emitted by `Be^(10)` nuclei formed directly in t

Last Answer : Taking the values of atomic masses from the tables, find the maximum kinetic energy of beta- ... )` nuclei formed directly in the ground state.

The electron emitted in beta radiation originates from where?

Description : The electron emitted in beta radiation originates from where?

Last Answer : nner orbits of atoms

The atomic number of a nucleus will increase by 1 if which of the following is emitted by the nucleus? w) an alpha particle x) a positron y) a beta particle z) a gamma ray

Description : The atomic number of a nucleus will increase by 1 if which of the following is emitted by the nucleus? w) an alpha particle x) a positron y) a beta particle z) a gamma ray

Last Answer : ANSWER: Y -- BETA PARTICLE 

1. In which years did the Right to Information Act come into force? 2. The electron emitted in beta radiation originates from where? 3. The name of Geoff Bycott is associated with which game? 4. What is exact time taken by the earth for single rotation on its own axis? 5. Who built the famous Dilwara temple at Mount Abu in the 13th century ?

Description : 1. In which years did the Right to Information Act come into force? 2. The electron emitted in beta radiation originates from where? 3. The name of Geoff Bycott is associated with which game? ... of the day during summer? 20. Which Mughal emperor is credited with the composition of Hindi songs?

Last Answer : Answer : 1 1. 2005 2. Inner orbits of atoms 3. Cricket 4. 23 hrs 56 minutes 4.09 see 5. Tejapala 6. D. W. Eisenhower 7. Inner part of ear 8. V.V. Giri 9. Argon 10. Amir Khusrau 11. R ... low pressure 15. Tomb of Sikandar Lodi 16. 38 ATP 17. In the Supreme Court 18. Cathode 19. Norway 20. Jahangir

What are the rays emitted from radioactive material ? What are their names ?

Description : What are the rays emitted from radioactive material ? What are their names ?

Last Answer : Three types of rays are emitted from the nucleus of radioactive material. Their names are ফাalpha ( α) ray , beta ( ß) ray and gamma ( γ) ray.

Cathode rays in a discharge tube are made up of electrons emitted from the plate that is connected to the negative terminal of the DC voltage source.

Description : Cathode rays in a discharge tube are made up of electrons emitted from the plate that is connected to the negative terminal of the DC voltage source.

Last Answer : Cathode rays in a discharge tube are made up of electrons emitted from the plate that is connected to the negative terminal of the DC voltage source.

Radiations which is not emitted during radioactivity is – (1) α rays (2) β rays (3) γ rays (4) Cathode rays

Description : Radiations which is not emitted during radioactivity is – (1) α rays (2) β rays (3) γ rays (4) Cathode rays

Last Answer : (4) Cathode rays Explanation: Radioactivity is the process by which a nucleus of an unstable atom loses energy by emitting particles of ionizing radiation. It includes the emission of energetic alpha particles (α), beta particles (β), and gamma rays.

What are Alpha rays emitted from a radioactive substance?

Description : What are Alpha rays emitted from a radioactive substance?

Last Answer : Helium nuclear

Pick up the correct statement from the following: (A) The minimum frequency of light for which no electrons are emitted, is called threshold frequency (B) Polarising angle of glass is 57.5° (C) At the polarising angle, the reflected and refracted rays are orthogonal (D) All the above

Description : Pick up the correct statement from the following: (A) The minimum frequency of light for which no electrons are emitted, is called threshold frequency (B) Polarising angle of glass is 57.5° (C) At the polarising angle, the reflected and refracted rays are orthogonal (D) All the above

Last Answer : Answer: Option D

Light rays that are emitted simultaneously from an LED and propagated down an optical fiber do not arrive at the far end of the fiber at the same time results to ∙ A. intramodal dispersion ∙ B. pulse length dispersion ∙ C. modal dispersion ∙ D. wavelength dispersion

Description : Light rays that are emitted simultaneously from an LED and propagated down an optical fiber do not arrive at the far end of the fiber at the same time results to ∙ A. intramodal dispersion ∙ B. pulse length dispersion ∙ C. modal dispersion ∙ D. wavelength dispersion

Last Answer : D. wavelength dispersion

LASER stands for: a. Light Amplification by Simulated Emission of Radiation b. Light Amplification by Stimulated Emission of Radiation c. Light Amplification by Simulated Emitted Rays d. Light Amplification by Stimulated Emitted Rays

Description : LASER stands for: a. Light Amplification by Simulated Emission of Radiation b. Light Amplification by Stimulated Emission of Radiation c. Light Amplification by Simulated Emitted Rays d. Light Amplification by Stimulated Emitted Rays

Last Answer : b. Light Amplification by Stimulated Emission of Radiation

X-rays that are emitted in all directions and with a continuous range of frequencies are known as a) characteristic X-rays b) continuous X-rays c) scattered X-rays d) stimulated X-rays.

Description : X-rays that are emitted in all directions and with a continuous range of frequencies are known as a) characteristic X-rays b) continuous X-rays c) scattered X-rays d) stimulated X-rays.

Last Answer : b) continuous X-rays

The X-rays emitted in inner shell transitions are called _____ as their energy depends upon the type of target material. a) gamma rays b) special X-rays c) Characteristic X-rays d) continuous X-rays

Description : The X-rays emitted in inner shell transitions are called _____ as their energy depends upon the type of target material. a) gamma rays b) special X-rays c) Characteristic X-rays d) continuous X-rays

Last Answer : c) Characteristic X-rays

By the transition of inner shell electrons in heavy atoms, high energy photons are emitted which are a) gamma rays b) X-rays c) radio waves d) photon rays

Description : By the transition of inner shell electrons in heavy atoms, high energy photons are emitted which are a) gamma rays b) X-rays c) radio waves d) photon rays

Last Answer : b) X-rays

What are the characteristics of beta rays ?

Description : What are the characteristics of beta rays ?

Last Answer : Beta ray features: 1. Beta ray is the flow of negative electrons. 2. The speed of the beta ray is 50% of the speed of light. 3. Sometimes it is up to 98%. 5. The harmful effects of beta particles are not considered as alpha particles.

Assertion (A) : `beta`-particles have greater penetrating power than `alpha`-rays but less than `gamma`-rays Reason (R ) : `beta`-particles are lighte

Description : Assertion (A) : `beta`-particles have greater penetrating power than `alpha`-rays but less than `gamma`-rays Reason (R ) : `beta`-particles are lighte

Last Answer : Assertion (A) : `beta`-particles have greater penetrating power than `alpha`-rays but less than `gamma`-rays ... . If both (A) and (R ) are incorrect.

(A) `alpha`-rays have greater ionising power the `beta` (R ) `alpha`-particles carry `2^(+)` charge while `beta`-particles carry only `I^(-)` charge.

Description : (A) `alpha`-rays have greater ionising power the `beta` (R ) `alpha`-particles carry `2^(+)` charge while `beta`-particles carry only `I^(-)` charge.

Last Answer : (A) `alpha`-rays have greater ionising power the `beta` (R ) `alpha`-particles carry `2^(+)` charge while ... . D. If both (A) and (R ) are incorrect.

Which of the following "is"//"are" correct? a)`alpha`-rays are more penetrating then `beta`-rays. b)`alpha`-rays have greater ionizing power than `bet

Description : Which of the following "is"//"are" correct? a)`alpha`-rays are more penetrating then `beta`-rays. b)`alpha`-rays have greater ionizing power than `bet

Last Answer : Which of the following "is"//"are" correct? a)`alpha`-rays are more penetrating then `beta ... not emitted simultaneously with `alpha` and `beta`-rays

The correct order of ionising capcity of `alpha, beta` and `gamma`-rays is

Description : The correct order of ionising capcity of `alpha, beta` and `gamma`-rays is

Last Answer : The correct order of ionising capcity of `alpha, beta` and `gamma`-rays is A. `alpha gt beta gt gamma` ... alpha gt beta` D. `beta gt gamma gt alpha`

Which of the following type of radiation does not originate within the nucleus ? (a) Alpha (b) Beta (c) Gamma (d) X - rays

Description : Which of the following type of radiation does not originate within the nucleus ? (a) Alpha (b) Beta (c) Gamma (d) X - rays

Last Answer : Ans:(d)

The maximum biological damage is produced by – (1) X rays (2) gamma - rays (3) beta - rays (4) alpha - rays

Description : The maximum biological damage is produced by – (1) X rays (2) gamma - rays (3) beta - rays (4) alpha - rays

Last Answer : (2) gamma - rays Explanation: Gamma radiation, also known as gamma rays, is electromagnetic radiation of high frequency and therefore high energy. Gamma rays are ionizing radiation and are thus biologically hazardous.

Forged documents are detected by – (1) ultraviolet rays (2) infra-red rays (3) beta rays (4) gamma rays

Description : Forged documents are detected by – (1) ultraviolet rays (2) infra-red rays (3) beta rays (4) gamma rays

Last Answer : (1) ultraviolet rays Explanation: Old postcards, books, signs, photos and other paper products made before the late 1930s rarely glow under a black light. Chemical bleaches and dyes used ... light. Knowing this helps to detect forged documents and distinguish reproductions in all types of ephemera.

Give the characteristics of Alpha , Beta & Gamma rays.

Description : Give the characteristics of Alpha , Beta & Gamma rays.

Last Answer : Characteristics of Alpha Rays : (1) Composition : They are comprised of positively charged particles. (2) Speed : Their speed is about 1/10 th of the speed of light. (3) Penetration : They cannot pass ... in any electric field. Hence they carry no charge. (5) Ionization : They can ionize air or gas.

In radioactive decay, the emission of an electron is characteristic of: w) Alpha decay x) Beta decay y) Gamma decay z) X-rays

Description : In radioactive decay, the emission of an electron is characteristic of: w) Alpha decay x) Beta decay y) Gamma decay z) X-rays

Last Answer : ANSWER: X -- BETA DECAY

Alpha rays are different from beta rays in one of the following ways. Are they different since: w) alpha rays are deflected in a magnetic field and beta rays are not x) alpha rays are identical to the electron in mass, and beta rays are not y) alpha rays have a positive charge and beta rays have a negative charge z) alpha rays are produced within the nucleus and beta rays are produced outside the nucleus

Description : Alpha rays are different from beta rays in one of the following ways. Are they different since: w) alpha rays are deflected in a magnetic field and beta rays are not x) alpha rays are ... negative charge z) alpha rays are produced within the nucleus and beta rays are produced outside the nucleus 

Last Answer : ANSWER: Y -- ALPHA RAYS HAVE A POSITIVE CHARGE AND BETA RAYS HAVE A NEGATIVE CHARGE

What form of radiation most closely resembles X-rays? w) alpha x) beta y) gamma z) neutron

Description : What form of radiation most closely resembles X-rays? w) alpha x) beta y) gamma z) neutron

Last Answer : ANSWER: Y -- GAMMA 

The maximum biological damage is produced by (1) X – rays (2) gamma – rays (3) beta – rays (4) alpha – rays

Description : The maximum biological damage is produced by (1) X – rays (2) gamma – rays (3) beta – rays (4) alpha – rays

Last Answer : gamma – rays

Forged documents are detected by (1) ultraviolet rays (2) infra-red rays (3) beta rays (4) gamma rays

Description : Forged documents are detected by (1) ultraviolet rays (2) infra-red rays (3) beta rays (4) gamma rays

Last Answer : ultraviolet rays

_________ test is conducted at the developer’s site by a customer. A. Beta B. System C. Alpha D. None of the above

Description : _________ test is conducted at the developer’s site by a customer. A. Beta B. System C. Alpha D. None of the above

Last Answer : C. Alpha

_________ is a measure of risk-adjusted return a. Simple return b. Standard Deviation c. Beta d. Sharpe Ratio ANS: Sharpe Ratio

Description : _________ is a measure of risk-adjusted return a. Simple return b. Standard Deviation c. Beta d. Sharpe Ratio ANS: Sharpe Ratio

Last Answer : ANS: Sharpe Ratio

X-rays travel at a speed of _________`ms^(-1)`.

Description : X-rays travel at a speed of _________`ms^(-1)`.

Last Answer : X-rays travel at a speed of _________`ms^(-1)`.

What is the harmful ray emitted from color television ?

Description : What is the harmful ray emitted from color television ?

Last Answer : The harmful rays emitted from color television are called gamma rays.

What ray is emitted from cobalt _60 ?

Description : What ray is emitted from cobalt _60 ?

Last Answer : Gamma rays are emitted.

What is the gas emitted during respiration ?

Description : What is the gas emitted during respiration ?

Last Answer : : Carbon dioxide gas is released in the seventh breath.

From which part of the atom e- particle is emitted ?

Description : From which part of the atom e- particle is emitted ?

Last Answer : α- particles are emitted from the nucleus of an atom of radioactive element .

From which part of the atom of the radioactive element is the radioactive ray emitted ?

Description : From which part of the atom of the radioactive element is the radioactive ray emitted ?

Last Answer : The radioactive ray is emitted from the nucleus of the atom of the radioactive element.

What are the ways in which electrons are emitted from metal ?

Description : What are the ways in which electrons are emitted from metal ?

Last Answer : The methods of emission of electrons from metal surface are - ( i) thermal ion emission , (ii) light electric emission ( iii) field emission ( iv) secondary emission.

Carbon monoxide emitted by automobiles directy contributes to

Description : Carbon monoxide emitted by automobiles directy contributes to

Last Answer : Carbon monoxide emitted by automobiles directy contributes to A. Water pollution B. Noise pollution C. Land pollution D. All the people

A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x. dimction. Assume thatall photons emitted due

Description : A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the x. dimction. Assume thatall photons emitted due

Last Answer : A beam of ultraviolet light of all wavelengths passes through hydrogen gas at room temperature, in the ... light D. B will contain some visible light

Polonium -210 is pollutant emitted from

Description : Polonium -210 is pollutant emitted from

Last Answer : Polonium -210 is pollutant emitted from A. Laboratory radio-isotopes B. Coolant water of reactors C. Automobile exhausts D. Thorium rich sands.

Carbon monoxide, emitted by automobiles prevents transport of oxygen in body due to

Description : Carbon monoxide, emitted by automobiles prevents transport of oxygen in body due to

Last Answer : Carbon monoxide, emitted by automobiles prevents transport of oxygen in body due to A. ... haemoglobin D. forming stable compound with haemoglobin.

In which transition minimum energy is emitted :-

Description : In which transition minimum energy is emitted :-

Last Answer : In which transition minimum energy is emitted :- A. `ooto1` B. `2to1` C. `3to2` D. `nto(n-1)[nge4]`