Alpha particles are________charged.

Alpha particles are________charged.
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Alpha particles are________charged.
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What did the alpha particles do when they hit the nucleus?

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Last Answer : What is the answer ?

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Suppose Rutherford had not seen any alpha particles deflected back from the gold foil. How would this most likely have affected scientific understanding of the structure of an atom?

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

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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

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Last Answer : (B) It will completely disintegrate in two months

Mention the penetrative power of alpha, beta and gamma particles.

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Last Answer : B. Two Protons and two Neutrons (Answer)

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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Last Answer : (c) Gamma rays

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

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

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

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

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Last Answer : ANSWER: X -- HELIUM

The antiparticle of an electron is (1) Positron (2) Proton (3) Alpha particles (4) Beta particles

Description : The antiparticle of an electron is (1) Positron (2) Proton (3) Alpha particles (4) Beta particles

Last Answer : Positron

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

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