MCQ
Antiparticle of electron is
- A$_0{n^1}$
- B$_1{H^1}$
- ✓Positron
- DNeutrino
✓
Answer
Correct option: C.
Positron
c
(c) Antiparticle of electron $_{-1} e^{0}$ is positron $_{+1} e^{0}$
(c) Antiparticle of electron $_{-1} e^{0}$ is positron $_{+1} e^{0}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A plane electromagnetic wave in a non-magnetic dielectric medium is given by $\vec E\, = \,{\vec E_0}\,(4 \times {10^{ - 7}}\,x - 50t)$ with distance being in meter and time in seconds. The dielectric constant of the medium is
→The temperature at which the speed of sound in air becomes double of its value at ${0^o}C$ is ...... $K$
→The atmosphere is held to the earth by
A wooden block of mass $M$ resting on a rough horizontal surface is pulled with a force $F$ at an angle $\phi $ with the horizontal. If $\mu $ is the coefficient of kinetic friction between the block and the surface, then acceleration of the block is
→A convex lens of focal length $f$ produces an image $\frac{1}{n}$ times than that of the size of the object. The distance of the object from the lens is
→Water rises in a capillary upto a height $h$ . If this capillary is tilted by an angle of $45^o$, then the length of the water column in the capillary becomes
→A vector $\vec A $ is rotated by a small angle $\Delta \theta$ radian $( \Delta \theta << 1)$ to get a new vector $\vec B$ In that case $\left| {\vec B - \vec A} \right|$ is
→A thin rod of mass $0.9\, kg$ and length $1 \,m$ is suspended, at rest, from one end so that it can freely oscillate in the vertical plane. A particle of move $0.1\, kg$ moving in a straight line with velocity $80\,m / s$ hits the rod at its bottom most point and sticks to it (see figure). The angular speed (in $rad/s$) of the rod immediately after the collision will be
→According to classical theory, Rutherford atom was
The graph between terminal velocity (along $y-axis$ ) and square of radius (along $x-axis$ ) of spherical body of density $\rho $ allowed to fall through a fluid of density $\rho $ is $a$
→