What is the best material to block gamma radiation?

What is the best material to block gamma radiation?
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Are tuna and salmon tainted with gamma radiation from the Pacific Ocean?

Description : Are tuna and salmon tainted with gamma radiation from the Pacific Ocean?

Last Answer : I don’t know but would definitely be interested to. I love salmon. (tuna too, but I don’t eat as much of that anymore for some reason).

A photon of gamma radiation knocks out a proton from `""_(12)Mg""^(24)` nucleus to form a)The isotope of parent nucleus b)The isobar of parent nucleus

Description : A photon of gamma radiation knocks out a proton from `""_(12)Mg""^(24)` nucleus to form a)The isotope of parent nucleus b)The isobar of parent nucleus

Last Answer : A photon of gamma radiation knocks out a proton from `""_(12)Mg""^(24)` nucleus to form a)The isotope of ... )Na` D. the isobar of `._(11)^(23)Na`

Why do gamma radiation produce positive ions?

Description : Why do gamma radiation produce positive ions?

Last Answer : If a gamma ray knocks an electron out of an atom, the remainingatom (assuming it was originally neutral) will have one electronless - therefore it will have a positive charge.

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 radiation that can penetrate deepest in our body – (1) UV-radiation (2) Alpha-particles (3) a-particles (4) Gamma-particles

Description : The radiation that can penetrate deepest in our body – (1) UV-radiation (2) Alpha-particles (3) a-particles (4) Gamma-particles

Last Answer : (4) Gamma-particles Explanation: The ability of radioactivity to pass through materials is called its penetrating ability. Penetrating ability depends on the size of the radioactive particle. Alpha particles are the biggest, beta particles are very much smaller and gamma rays have no mass.

The radiant energy having lowest energy is – (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation

Description : The radiant energy having lowest energy is – (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation

Last Answer : (4) microwave radiation Explanation: The parts of the electromagnetic spectrum, arranged from highest energy to lowest, are gamma rays, Xrays, Ultraviolet light, visible light, infrared light, microwaves, and radio waves.

Night photography and photopraphy in mist and fog are possible using – (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Description : Night photography and photopraphy in mist and fog are possible using – (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Last Answer : (2) infra-red radiation Explanation: Infrared is used in night vision equipment when there is insufficient visible light to see. Night vision devices operate through a process involving the ... then amplified by a chemical and electrical process and then converted back into visible light.

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy? A. radio, visible, infrared, ultraviolet, x-ray, gamma ray B. radio, infrared, visible, x-ray, gamma ray, ultraviolet C. visible, radio, infrared, ultraviolet, x-ray, gamma ray D. radio, infrared, visible, ultraviolet, x-ray, gamma ray (Answer)

Description : Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to greatest energy? A. radio, visible, infrared, ultraviolet, x-ray, gamma ray B. radio, infrared, visible ... -ray, gamma ray D. radio, infrared, visible, ultraviolet, x-ray, gamma ray (Answer)

Last Answer : D. radio, infrared, visible, ultraviolet, x-ray, gamma ray (Answer)

Which of the following has the highest energy? A. gamma rays (Answer) B. X-rays C. Ultra-violet radiation D. radio waves

Description : Which of the following has the highest energy? A. gamma rays (Answer) B. X-rays C. Ultra-violet radiation D. radio waves

Last Answer : A. gamma rays (Answer)

The thermal radiation emitted by a blackbody heated to a given temperature.  a. Gamma Radiation  b. Black Body Radiation  c. Electromagnetic Radiation  d. Alpha Radiation

Description : The thermal radiation emitted by a blackbody heated to a given temperature.  a. Gamma Radiation  b. Black Body Radiation  c. Electromagnetic Radiation  d. Alpha Radiation

Last Answer : Black Body Radiation

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 radiation that can penetrate deepest in our body (1) UV-radiation (2) Alpha-particles (3) b-particles (4) Gamma-particles

Description : The radiation that can penetrate deepest in our body (1) UV-radiation (2) Alpha-particles (3) b-particles (4) Gamma-particles

Last Answer : Gamma-particles

Night photography and photopraphy in mist and fog are possible using (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Description : Night photography and photopraphy in mist and fog are possible using (1) ultra-violet radiation (2) infra-red radiation (3) microwave radiation (4) gamma radiation

Last Answer : infra-red radiation

The radiant energy having lowest energy is (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation

Description : The radiant energy having lowest energy is (1) gamma rays (2) UV rays (3) visible light (4) microwave radiation

Last Answer : microwave radiation 

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

Stefan's block body radiation law can also be derived from __________ law. (A) Kirchoff’s (B) Planck's (C) Fourier's (D) None of these

Description : Stefan's block body radiation law can also be derived from __________ law. (A) Kirchoff’s (B) Planck's (C) Fourier's (D) None of these

Last Answer : (B) Planck's

Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? (A) CO2 (B) H2 (C) SO3 (D) N2

Description : Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? (A) CO2 (B) H2 (C) SO3 (D) N2

Last Answer : (C) SO3

What is shielding in NMR? A. Using a curved piece of metal to block an opponent’s attack B. Putting metal around an Rf source C. When the magnetic moment of an atom blocks the full induced magnetic field from surrounding nuclei D. Blocking parts of a molecule from Rf radiation

Description : What is shielding in NMR? A. Using a curved piece of metal to block an opponent’s attack B. Putting metal around an Rf source C. When the magnetic moment of an atom blocks the full induced magnetic field from surrounding nuclei D. Blocking parts of a molecule from Rf radiation

Last Answer : When the magnetic moment of an atom blocks the full induced magnetic field from surrounding nuclei

What do you call the electrical conduction in a photosensitive material which is not exposed to radiation? A. Dark conductance B. Pure conductance C. Black out D. Super conductance

Description : What do you call the electrical conduction in a photosensitive material which is not exposed to radiation? A. Dark conductance B. Pure conductance C. Black out D. Super conductance

Last Answer : A. Dark conductance

The main purpose of control rod in a nuclear reactor is to control the (A) Chain reaction and hence the power output by regulating the number of secondary neutrons causing fission (B) Emission of hazardous radiation (C) Conversion of fissile material into fertile material (D) Velocity of the secondary neutrons

Description : The main purpose of control rod in a nuclear reactor is to control the (A) Chain reaction and hence the power output by regulating the number of secondary neutrons causing fission (B) ... radiation (C) Conversion of fissile material into fertile material (D) Velocity of the secondary neutrons

Last Answer : (A) Chain reaction and hence the power output by regulating the number of secondary neutrons causing fission

A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case, (A) The cooling rate will be the same for the two spheres and hence the two spheres will have equal temperatures at any instant (B) Both the spheres will emit equal amount of radiation per unit time in the beginning (C) Both will absorb equal amount of radiation from the surrounding in the beginning (D) Both (B) & (C)

Description : A hollow sphere and a solid sphere of the same material and equal radii are heated to the same temperature. In this case, (A) The cooling rate will be the same for the two spheres and hence the ... equal amount of radiation from the surrounding in the beginning (D) Both (B) & (C)

Last Answer : (D) Both (B) & (C)

The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. (A) Increases (B) Decreases (C) Remain constant (D) May increase or decrease; depends on the material

Description : The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. (A) Increases (B) Decreases (C) Remain constant (D) May increase or decrease; depends on the material

Last Answer : (D) May increase or decrease; depends on the material

Ceramic coating material for furnace refractory, which increases itsemissivity and thus the radiation heat transfer rate in the furnace, comprises of (A) Graphite powder (B) Thoria (C) Zircon powder (D) Beryllium

Description : Ceramic coating material for furnace refractory, which increases itsemissivity and thus the radiation heat transfer rate in the furnace, comprises of (A) Graphite powder (B) Thoria (C) Zircon powder (D) Beryllium

Last Answer : (C) Zircon powder

reduction in thermal resistance during heat transfer does not occur in the (A) Convection heat transfer by stirring the fluid and cleaning the heating surface (B) Conduction heat transfer by reduction in the material thickness and increase in the thermal conductivity (C) Radiation heat transfer by increasing the temperature and reducing the emissivity (D) None of these

Description : reduction in thermal resistance during heat transfer does not occur in the (A) Convection heat transfer by stirring the fluid and cleaning the heating surface (B) Conduction heat transfer by ... Radiation heat transfer by increasing the temperature and reducing the emissivity (D) None of these

Last Answer : Option C

A process by which heat is transferred through a material without a bulk movement of the material.  a. Convection  b. Conduction  c. Radiation  d. Emission

Description : A process by which heat is transferred through a material without a bulk movement of the material.  a. Convection  b. Conduction  c. Radiation  d. Emission

Last Answer : Conduction

An idealized perfect absorber and perfect emitter of radiation.  a. elastic material  b. transponder material  c. Teflon  d. blackbody

Description : An idealized perfect absorber and perfect emitter of radiation.  a. elastic material  b. transponder material  c. Teflon  d. blackbody

Last Answer : blackbody

When a solid material is heated, it always: w) emits a discrete radiation spectrum x) glows red y) emits a continuous radiation spectrum z) emits only visible radiation

Description : When a solid material is heated, it always: w) emits a discrete radiation spectrum x) glows red y) emits a continuous radiation spectrum z) emits only visible radiation

Last Answer : ANSWER: Y -- EMITS A CONTINUOUS RADIATION SPECTRUM

Have they detected electromagnetic energy beyond the gamma spectrum?

Description : Have they detected electromagnetic energy beyond the gamma spectrum?

Last Answer : The answer rests on technical definitions, but I believe both radio and gamma are defined as EM beyond a certain frequency, with no limits on the extreme ends. So there's no such thing. The spectra of ... lowest used/defined radio band. I think the lowest ELF band is defined as something like 3 Hz.

Do you play Resident Evil Outbreak just to watch young pretty girls get swallowed alive by the Hunter Gamma monster?

Description : Do you play Resident Evil Outbreak just to watch young pretty girls get swallowed alive by the Hunter Gamma monster?

Last Answer : Nope. I’m a Silent Hill girl all the way.

What does lack of Gamma globulin can cause? -Biology

Description : What does lack of Gamma globulin can cause? -Biology

Last Answer : answer:

Which is natural source of gamma-rays? -Do You Know?

Description : Which is natural source of gamma-rays? -Do You Know?

Last Answer : answer:

Energy transferred to a person through gamma rays is measured in by which unit? -Do You Know?

Description : Energy transferred to a person through gamma rays is measured in by which unit? -Do You Know?

Last Answer : answer:

Which word best describes gamma rays?

Description : Which word best describes gamma rays?

Last Answer : Destructive

Which is the electromagnetic wave ? ① Alpha ray , ② beta ray , gamma ray , ④ cathode ray

Description : Which is the electromagnetic wave ? ① Alpha ray , ② beta ray , gamma ray , ④ cathode ray

Last Answer : Gamma ray electromagnetic waves.

What is gamma ray ?

Description : What is gamma ray ?

Last Answer : Gamma ray is a type of electromagnetic wave emitted by nuclear explosion and radioactivity The gamma ray was discovered in 1900 by the French chemist and physicist Paul Willard. It is expressed by. Gamma rays are emitted from the sun.

What is the religion of gamma ray ?

Description : What is the religion of gamma ray ?

Last Answer : ( 1) Gamma rays are electromagnetic waves of very short wavelength. (2) Gamma rays have no mass. (3) Gamma rays have no charge. (4) The wavelength of gamma ray is much less than the ... like light. Gamma ray has all the luminous properties like reflection , refraction , excitation , refraction etc.

What is the speed of gamma ray ?

Description : What is the speed of gamma ray ?

Last Answer : Gamma ray speed 3 X 108ms-1

Which of X-rays and gamma rays has higher penetrating power ?

Description : Which of X-rays and gamma rays has higher penetrating power ?

Last Answer : The penetrating power of gamma rays is about 100 times greater than that of X-rays.

What are the characteristics of gamma rays ?

Description : What are the characteristics of gamma rays ?

Last Answer : The properties of gamma ray are as follows- 1, it is a neutral particle. 2, it has no mass. 3, its velocity is equal to the velocity of light. 4, It is not distracted by electric and magnetic fields. 5, It is possible to ionize the light.

What is the mass of gamma ray ?

Description : What is the mass of gamma ray ?

Last Answer : Gum ray mass 9.11 x 10-31kg

What is the speed of gamma ray equal to what speed ?

Description : What is the speed of gamma ray equal to what speed ?

Last Answer : The speed of gamma ray is equal to the speed of light

What is the wavelength of gamma ray ?

Description : What is the wavelength of gamma ray ?

Last Answer : The wavelength of gamma rays is short

What is gamma charge ?

Description : What is gamma charge ?

Last Answer : Gamma charge neutral

Assertion. Snakes exposed to gamma rays become non- poisonous. Reason. Poisonous snakes have poison glands and a pair of fangs. They are affected by g

Description : Assertion. Snakes exposed to gamma rays become non- poisonous. Reason. Poisonous snakes have poison glands and a pair of fangs. They are affected by g

Last Answer : Assertion. Snakes exposed to gamma rays become non- poisonous. Reason. Poisonous snakes have poison ... . If both Assertion and Reason are false.

Assertion: Diversity observed in the entire geographical area is called gamma diversity. Reason: Biodiversity decreases from high altitude to low alti

Description : Assertion: Diversity observed in the entire geographical area is called gamma diversity. Reason: Biodiversity decreases from high altitude to low alti

Last Answer : Assertion: Diversity observed in the entire geographical area is called gamma diversity. Reason: ... If both assertion and reason are false.

A definite amount of an ideal gas `(gamma = 1.5)` undergoes change of state in which heat exchange is equal to work done `(q=w)`. Molar heat capacity

Description : A definite amount of an ideal gas `(gamma = 1.5)` undergoes change of state in which heat exchange is equal to work done `(q=w)`. Molar heat capacity

Last Answer : A definite amount of an ideal gas `(gamma = 1.5)` undergoes change of state in which heat exchange is equal to work ... : A. 2R B. 3R C. R D. `3/2R`

If `cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma`, then which of the following is/are true:- (a)`cos(alpha-beta)+cos(beta-gamma)+cos(gamma-de

Description : If `cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma`, then which of the following is/are true:- (a)`cos(alpha-beta)+cos(beta-gamma)+cos(gamma-de

Last Answer : If `cosalpha+cosbeta+cosgamma=0=sinalpha+sinbeta+singamma`, then which of the following is/are true:- (a)`cos( ... D. `A` is true and `B` is false

The order of acidic strength of the hydrogen atom `(H_(alpha), H_(beta), H_(gamma))` in the given molecule is : `CH_(3)-underset(H_(beta))underset(|)(

Description : The order of acidic strength of the hydrogen atom `(H_(alpha), H_(beta), H_(gamma))` in the given molecule is : `CH_(3)-underset(H_(beta))underset(|)(

Last Answer : The order of acidic strength of the hydrogen atom `(H_(alpha), H_(beta), H_(gamma))` in the given molecule ... D. `H_(beta)gt H_(alpha) gt H_(gamma)`

In the figure below ( not to scale) `bar(CD)||bar(RS) /_EMG=90^(@),/_GMD= gamma^(@),/_CME= x^(@) ` and `gamma^(@)=(x^(@))/(2)`. `/_ FNS : /_FNR `is

Description : In the figure below ( not to scale) `bar(CD)||bar(RS) /_EMG=90^(@),/_GMD= gamma^(@),/_CME= x^(@) ` and `gamma^(@)=(x^(@))/(2)`. `/_ FNS : /_FNR `is

Last Answer : In the figure below ( not to scale) `bar(CD)||bar(RS) /_EMG=90^(@),/_GMD= gamma^(@),/_CME= x^(@) ` and `gamma^(@)=(x^(@))/(2)`. `/_ FNS : /_FNR `is

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.