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Tag: CBSE Class 12 Physics Notes: Chapter Atoms & Nuclei

CBSE Class 12 Physics Notes: Atoms & Nuclei – Nuclear Fusion

The process in which two or more light nuclei are combined into a single nucleus with the release of tremendous amount of energy is...

CBSE Class 12 Physics Notes: Atoms & Nuclei – Nuclear Fission

The breaking of a heavy nucleus into two or more fragments of comparable masses, with the release of tremendous energy is called as nuclear...

CBSE Class 12 Physics Notes: Atoms & Nuclei – Nuclear Forces

The protons and neutrons are held together by the strong attractive forces inside the nucleus. These forces are called as nuclear forces. (i) Nuclear forces...

CBSE Class 12 Physics Notes: Atoms & Nuclei – Mass Defect & Binding Energy

The nucleons are bound together in a nucleus and the energy has to be supplied in order to break apart the constituents into free...

CBSE Class 12 Physics Notes: Atoms & Nuclei – The Nucleus

It exists at the centre of an atom, containing entire positive charge and almost whole of mass. The electron revolve around the nucleus to...

CBSE Class 12 Physics Notes: Atoms & Nuclei – Mean Life

A very significant quantity that can be measured directly for small numbers of atoms is the mean lifetime. If there are n active nuclei,...

CBSE Class 12 Physics Notes: Atoms & Nuclei – Half Life

A significant feature of the above graph is the time in which the number of active nuclei (N) is halved. This is independent of...

CBSE Class 12 Physics Notes: Atoms & Nuclei – Radioactive Decay Law

RADIOACTIVE DECAY LAW « Previous Next » Click Here to Go Back to CBSE Class 12 Physics Atoms & Nuclei All Topic Notes Click Here for CBSE Class...

CBSE Class 12 Physics Notes: Atoms & Nuclei – Properties of Radio Active Elements

Property The other simple laws of radioactivity that were discovered by were the Rutherford-Soddy displacement laws: « Previous Next » Click Here to Go Back to CBSE Class 12...

CBSE Class 12 Physics Notes: Atoms & Nuclei – Introductions

It was observed by Henri Becquerel in 1896 that some minerals like pitchblende emit radiation spontaneously, and this radiation can blacken photographic plates if...