You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard IX

Chemistry

Discovery of Electrons

Beta particle...

Question

Beta particles are essentially:

neutrons

No worries! We‘ve got your back. Try BYJU‘S free classes today!

protons

No worries! We‘ve got your back. Try BYJU‘S free classes today!

electrons

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

helium nuclei

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C electrons
Beta particles are emitted when an element decays by radioactive $β$ decay. The particles are essentially $[e^{-}]$ electrons.

Suggest Corrections

Similar questions

Q. There are n number of radioactive nuclei in a sample that undergoes beta decay. If from the sample, n' number of

β

-particles are emitted every 2 s, then half-life of nuclei is

Q. Assertion :Radioactive nuclei emit

β - p a r t i c l e s

. Reason: Electrons exist inside the nucleus.

Q. A certain stable nuclei, after absorbing a neutron, emits

β

-particle and the new nuclide splits spontaneously into two

α

-particles. The nuclei is

Q. Nuclei A and B convert into a stable nucleus C. Nucleus A is converted into C by emitting 2

α

-particles and 3

β

- particles whereas, nucleus B is converted into C by emitting 1

α

- particle and 5

β

- particles. At time

t = 0

, nuclei of A are

4 N_{0}

and nuclei of B are

N_{0}

. Initially, the number of nuclei of C are zero. Half-life of A and B (into conversion of C) is 1 min and 2 min respectively. The time (in minutes) at which the rates of disintegration of A and B are equal is

Q. Nuclei A and B convert into a stable nucleus C. Nucleus A is converted into C by emitting 2

α -

particles and

3 β -

particles. Nucleus B is converted into C by emitting one

α - p a r t i c l e

and 5

β - p a r t i c l e s

. At time

t = 0

, nuclei of A are

4 N_{0}

and nuclei of B are

N_{0}

. Initially, number of nuclei of C are zero. Half-life of A (into conversion of C) is

1

min and that of B is

2

min. Find the time (in minutes) at which rate of disintegration of A and B are equal.

Join BYJU'S Learning Program

Beta particles are essentially:

The correct option is C electronsBeta particles are emitted when an element decays by radioactive β decay. The particles are essentially [e−] electrons.

The correct option is C electrons
Beta particles are emitted when an element decays by radioactive $β$ decay. The particles are essentially $[e^{-}]$ electrons.