Question
Download Solution PDFWhich of the following properties of a proton can change while it moves freely in a magnetic field?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
Protons:
- A proton is one of three main particles that make up the atom.
- Protons are found in the nucleus of the atom.
- This is a tiny, dense region at the center of the atom.
- Protons have a positive electrical charge of one (+1) and a mass of 1 atomic mass unit (amu), which is about 1.67×10−27 kilograms.
- Together with neutrons, they make up virtually all of the mass of an atom.
EXPLANATION:
- As we know that mass is an intrinsic property of any physical object, therefore the mass of the proton will not change. Hence option 1 is incorrect.
- As we know that when a charged particle moves in a magnetic field it experiences a force.
- When a proton enters a magnetic field, it starts moving in a circular motion, and as we know that in circular motion speed remains constant whereas velocity keeps on changing.
- As momentum (p) = mass (m) × velocity (v). Therefore when velocity changes then the momentum of the proton also changes.
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