Contents
- 1 Do gamma rays have a mass of 1 amu?
- 2 What is the mass of a gamma particle in amu?
- 3 Do xrays and gamma rays have mass?
- 4 Which type of radiation is the hardest to stop?
- 5 What is the mass and charge of a gamma ray?
- 6 How are gamma rays different from alpha particles?
- 7 How are gamma rays produced in a magnetic field?
Do gamma rays have a mass of 1 amu?
Beta particles are subatomic particles (like an electron but originating from the nucleus) and thus much smaller, they have a mass of approximately 0.0005 amu. Gamma radiation is electromagnetic radiation, these are waves not particles and therefore have no mass at all.
What is the mass of a gamma particle in amu?
| Name | Charge | Mass (amu) |
|---|---|---|
| beta particle | -1 | 5.5 X 10-4 |
| > | ||
| gamma ray | 0 | 0 |
Why gamma rays have no mass?
Gamma rays ( ) are electromagnetic waves, rather like X rays and radio waves. Thus gamma rays have no mass and no charge. -particles and -particles pull electrons off atoms as they pass (we say the ionise the atoms), but rays don’t.
Do xrays and gamma rays have mass?
X-rays and gamma rays are both types of high energy (high frequency) electromagnetic radiation. They are packets of energy that have no charge or mass (weight).
Which type of radiation is the hardest to stop?
Because they have no mass or charge and high energy, γ-rays are more difficult to stop than β- or α-particles and it takes dense materials such as lead, or concrete, to absorb their energy and stop them.
What type of radiation has the largest charge?
Alpha particle
Alpha particle It has a large mass, compared to other ionising radiations, and a strong positive charge.
What is the mass and charge of a gamma ray?
The total mass of an alpha particle is ~4u or 4 unified atomic mass units, equivalent to ~ 6.64 E-27 kg. A beta particle is just an electron, with a mass ritual to around 1/1822 u, or~ 9.1 E-31 kg. A gamma ray is a photon, and therefore massless (no rest mass).
How are gamma rays different from alpha particles?
Unlike alpha particle and beta particles, gamma rays have no charge. They also have no mass. In fact, gamma rays are a very-high energy version of electromagnetic energy. The only difference between a radio wave, a light wave, an x-ray and a gamma ray is the amount of energy carried by the smallest packet of radiation, a photon.
Why are gamma rays so dangerous to matter?
Gamma rays are high-energy photons with very short wavelengths and thus very high frequency. Since the gamma rays are in substance only a very high-energy photons, they are very penetrating matter and are thus biologically hazardous.
How are gamma rays produced in a magnetic field?
A magnetic field exerts a force on a charged particle that is moving in it. This causes the particle to radiate, with the emitted power being proportional to the square of the force divided by the square of the mass of the particle. For electrons, this radiation is often in the gamma-ray region of the electromagnetic spectrum.