The antiparticle of electron is: - Vidyadip

MCQ

The antiparticle of electron is:

✓
Positron.
B
$\alpha - \text{particle}.$
C
Proton.
D
$\beta - \text{particle}.$

✓

Answer

Correct option: A.

Positron.

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→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

A particle of mass m and charge q moves with a constant velocity v along the positive x direction. It enters a region containing a uniform magnetic field B directed along the negative z direction, extending from x = a to x = b. The minimum value of v required so that the particle can just enter the region x > b is

When current in a coil changes to $2$ $ampere$ from $8$ $ampere$ in $3 \times {10^{ - 3}}\,\sec ond$, the $e.m.f$. induced in the coil is $2\,volt$. The self inductance of the coil in millihenry is

In a meter bridge experiment null point is obtained at $40\, cm$ from one end of the wire when resistance $X$ is balanced against another resistance $Y$. If $X < Y$, then the new position of the null point from the same end, if one decides to balance a resistance of $3X$ against $Y$, will be close to .............. $cm$

Radius of curved surface of a plano convex lens is $20\, cm$ and refractive index of lens material is $1.5$. calculate equivalent focal length of lens if curved surface is silvered

The limit of resolution of eye is approximately:

$X-$ rays of $\lambda = 1\,{Å}$ have frequency

A coil with $100$ turns has an inductance of $0.05H$ and $0.02A$ current is passed through it. Flux linked with the coil is

Energy generation in stars is mainly due to

Two identical charged spheres are suspended by strings of equal lengths. The strings make an angle $\theta$ with each other. When suspended in water the angle remains the same. If density of the material of the sphere is $1.5 \mathrm{~g} / \mathrm{cc}$, the dielectric constant of water will be

(Take density of water $=1 \mathrm{~g} / \mathrm{cc}$ )

A spherical condenser has inner and outer spheres of radii $a$ and $b$ respectively. The space between the two is filled with air. The difference between the capacities of two condensers formed when outer sphere is earthed and when inner sphere is earthed will be