What are the characteristics of alpha rays ?

What are the characteristics of alpha rays ?
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Alpha ray features: 1. Alpha ray particles are deadly harmful and dangerous. 2. The speed of alpha rays is 10 percent of the speed of light. 3. An alpha particle is a helium nucleus.
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Give the characteristics of Alpha , Beta & Gamma rays.

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

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

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Last Answer : ANSWER: X -- BETA DECAY

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Description : What are the characteristics of beta rays ?

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Description : What are the characteristics of gamma rays ?

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

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

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Last Answer : `alpha`-rays have ionization power because they possess a. Lesser kinetic energy b. Higher ... . lesser penetration power D. higher penetration power

The velocity of `alpha`-rays is approximately:

Description : The velocity of `alpha`-rays is approximately:

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The nature of light waves is similar to (a) Cosmic rays (b) Cathode rays (c) Alpha rays (d) Gamma rays

Description : The nature of light waves is similar to (a) Cosmic rays (b) Cathode rays (c) Alpha rays (d) Gamma rays

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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

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Last Answer : Ans:(c)

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.

What are Alpha rays emitted from a radioactive substance?

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

Last Answer : Helium nuclear

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Description : Which of the following is generally used for induced mutagenesis in crop plants? (a) X-rays (b) UV (260 nm) (c) Gamma rays (from cobalt-60) (d) Alpha particles

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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 

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Description : What are the six characteristics of alpha?

Last Answer : Alpha is the first letter of the Greek alphabet.

What are the Six characteristics to see if alpha is alive?

Description : What are the Six characteristics to see if alpha is alive?

Last Answer : Need answer

What is the mass of the alpha particle ?

Description : What is the mass of the alpha particle ?

Last Answer : Alpha corner mass = 6.6X10 -27Kg ..

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Last Answer : (3) Helium Explanation: Alpha particles consist of two protons and two neutrons bound together into a particle identical to a helium nucleus, which is generally produced in the process of alpha decay.

A radioactive substance does not undergo any change (in mass or charge) during – (1) ganuna-emission (2) oxidation (3) alpha-emission (4) beta-emission

Description : A radioactive substance does not undergo any change (in mass or charge) during – (1) ganuna-emission (2) oxidation (3) alpha-emission (4) beta-emission

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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

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The following particles move with same kinetic energy. Which of them has maximum momentum? (1) Electron (2) Proton (3) Deutron (4) Alpha 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.

The physicist Chadwick is known for his association with: w) the alpha particle x) the neutron y) the cloud chamber z) the electron

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Last Answer : ANSWER: X -- THE NEUTRON

Which of the following three nuclear radiations is the most penetrating? w) alpha x) beta y) gamma

Description : Which of the following three nuclear radiations is the most penetrating? w) alpha x) beta y) gamma

Last Answer : ANSWER: Y -- GAMMA

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

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

For which of the following reasons is plutonium-238 used for generating electricity on spacecraft? w) It is an alpha emitter with long half-life. x) It is a beta emitter with high specific power. y) It occurs abundantly in nature. z) It has low specific power.

Description : For which of the following reasons is plutonium-238 used for generating electricity on spacecraft? w) It is an alpha emitter with long half-life. x) It is a beta emitter with high specific power. y) It occurs abundantly in nature. z) It has low specific power.

Last Answer : ANSWER: W -- IT IS AN ALPHA EMITTER WITH LONG HALF-LIFE. 

Who said this about alpha particles and the reflection of these particles from thin foils? "It was about as credible as if you fired a 15-inch shell at a piece of tissue paper and it came back at you."

Description : Who said this about alpha particles and the reflection of these particles from thin foils? "It was about as credible as if you fired a 15-inch shell at a piece of tissue paper and it came back at you." 

Last Answer : ANSWER: RUTHERFORD

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

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

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

An alpha particle colliding with an electron loses: w) none of its energy x) little of its energy y) half of its energy z) all of its energy

Description : An alpha particle colliding with an electron loses: w) none of its energy x) little of its energy y) half of its energy z) all of its energy

Last Answer : ANSWER: X -- LITTLE OF ITS ENERGY

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

Alpha particle is the nucleus of an atom of (1) Lithium (2) Hydrogen (3) Helium (4) Oxygen

Description : Alpha particle is the nucleus of an atom of (1) Lithium (2) Hydrogen (3) Helium (4) Oxygen

Last Answer : Helium

A radioactive substance does not undergo any change (in mass or charge) during (1) gamma-emission (2) oxidation (3) alpha-emission (4) beta-emission

Description : A radioactive substance does not undergo any change (in mass or charge) during (1) gamma-emission (2) oxidation (3) alpha-emission (4) beta-emission

Last Answer : gamma-emission

The following particles move with same kinetic energy. Which of them has maximum momentum ? (1) Electron (2) Proton (3) Deutron (4) Alpha 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 : Alpha Particle

What is the use of infrared rays ?

Description : What is the use of infrared rays ?

Last Answer : Use of infrared rays 1. To cure muscle pain ; 2. To take pictures in the dark ; 3. To give weather forecasts ; 4. Treatment of skin and arthritis and 5. In the industry.

What are the religions of X-rays ?

Description : What are the religions of X-rays ?

Last Answer : The properties of X-rays are highlighted below: This ray travels in a straight line. X-ray electromagnetic waves. It is not distracted by electric field or magnetic field. Its wavelength is very short , around 10 -10m . It is charge neutral.

Why Ultraviolet Rays Are Harmful To The Body ?

Description : Why Ultraviolet Rays Are Harmful To The Body ?

Last Answer : : The wavelength of ultraviolet ray is less than the wavelength of visible light. We know that light is the flow of photon particles and its energy equation is , E = hf = hc / λ where , E = ... have a hand behind them. UV rays also play a role in causing skin wrinkles at a relatively young age.

In what year did scientist Rজntgen win the Nobel Prize for his discovery of X-rays ?

Last Answer : Scientist Will Helm Rন্টntgen was awarded the Nobel Prize in Physics in 1901 for his discovery of X-rays.

Where can parallel light rays meet ?

Last Answer : : Inside a spherical object.

Which rays are most penetrating?

Description : Which rays are most penetrating?

Last Answer : – y-rays

Which pairs of rays is electromagnetic in nature?

Description : Which pairs of rays is electromagnetic in nature?

Last Answer : – x-rays and gamma rays

The wavelength of X-rays is of the order of howmany angstrom?

Description : The wavelength of X-rays is of the order of howmany angstrom?

Last Answer : – 1 Angstrom

Mesons are found in which rays?

Description : Mesons are found in which rays?

Last Answer : – Cosmic rays

Woollen cloth protects the body from cold because – (1) it is a good conductor of heat (2) it is a poor conductor of heat (3) external heat rays enter into the body through the woollen cloth (4) it reflects heat

Description : Woollen cloth protects the body from cold because – (1) it is a good conductor of heat (2) it is a poor conductor of heat (3) external heat rays enter into the body through the woollen cloth (4) it reflects heat

Last Answer : (2) it is a poor conductor of heat Explanation: It is just because woolen clothes have fibres and between those fibres air is trapped which reduces heat loss. It reduces heat loss because it is an insulator or poor conductor of heat.