Q value for neutron decay is: - Vidyadip

Question

$Q$ value for neutron decay is:

✓

Answer

For neutron decay, some mass disappears as neutrons convert to a proton, electron and antineutrino.
$Q = (m_n−m_{p}−m_{νˉ}−m_e)c^{2 }= 0.782MeV$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Nuclei→Nuclei — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

A flake of glass (refractive index 1.5) is placed over one of the openings of a double slit apparatus. The interference pattern displaces itself through seven successive maxima towards the side where the flake is placed. if wavelength of the diffracted light is λ = 600nm, then the thickness of the flake is(a) 2100 nm(b) 4200 nm(c) 8400 nm(d) None of these

In electrolytes, the mobile charges are:

Binding energy of a nucleus is of the order of.

The electronic transition from $n = 2$ to $n = 1$ will produce shortest wavelength in:

A milli voltmeter of 25 milli volt range is to be converted into an ammeter of 25 ampere range. The value (in ohm) of necessary shunt will be:

Find $x$ in the following nuclear reaction.
$\ce{{12}Mg^{24 }+ _2He^{4 }\rightarrow _{14}Si^x+ _0n^1}$

The separation between the plates of a charged parallel-plate capacitor is increased. Which of the following quantities will change?

If there were only one type of charge in the universe, then

A long solenoid has $1000$ turns per metre and carries a current of $1A.$ It has a soft iron core of $\mu r = 1000.$ The core is heated beyond the Curie temperature, $T_c.$

Ray diverging from a point source from a wave front that is(a) Cylindrical(b) Spherical(c) Plane (d) Cubical