MCQ
When the particle and its anti$-$particle unite, the result is:
- AA heavier particle
- BTwo or more smaller particles
- ✓Photons
- DPartly matter and partly photons
✓
Answer
Correct option: C.
Photons
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
Assertion : The tyres of aircraft's are slightly conducting.
Reason : If a conductor is connected to ground, the extra charge induced on conductor will flow to ground.
Reason : If a conductor is connected to ground, the extra charge induced on conductor will flow to ground.
The electric potential $V(x)$ in a region around the origin is given by $V(x) = 4x^2\,volts$ . The electric charge enclosed in a cube of $1\,m$ side with its centre at the origin is (in coulomb)
→How many NAND gates are used to form an AND gate
A $8\,V$ Zener diode along with a series resistance $R$ is connected across a $20\,V$ supply (as shown in the figure). If the maximum Zener current is $25\,mA$, then the minimum value of $R$ will be $\Omega .$
→A circular coil having N turns is made from a wire of length L meter. If a current I ampere is passed through it and is placed in a magnetic field of B Tesla, the maximum torque on it is
In PN-junction diode the reverse saturation current is ${10^{ - 5}}$amp at$27^\circ C.$ The forward current for a voltage of $0.2volt$ is $[\exp (7.62) = 2038.6,\,K = 1.4 \times {10^{ - 23}}J/K]$
→Two point white dots are $1mm$ apart on a black paper. They are viewed by eye of pupil diameter $3\ mm$. Approximately, what is the maximum distance at which dots can be resolved by the eye ?.....$m$ [Take wavelength of light $= 500 nm$]
→A parallel plate capacitor is connected to a battery. The plates are pulled apart with a uniform speed. If $x$ is the separation between the plates, the time rate of change of electrostatic energy of capacitor is proportional to
→In the figure, find out the magnetic field at $B$ (Given $I =2.5 \;A,r =5\, cm )$
→The composition of an $\alpha $- particle can be expressed as
→