A. Proton
B. electron
C. neutron
D. a-particle
Related Mcqs:
- Neutron and proton are commonly known as______________?
A. Nucleon
B. Meson
C. Boson
D. Quartz - A particle having the mass of an electron and the charge of a proton is called a______________?
A. Antiproton
B. Positron
C. Gamma rays
D. Photon - When an electron moving with a uniform speed in a vacuum enters a magnetic field in a direction perpendicular to the field the subsequent path of the electron is ___________________?
A. a straight line parallel to the field
B. a parabola in a plane perpendicular to the field
C. a circle in a plane perpendicular to the field
D. a straight line along its initial direction - For confinement of electron in a box of radius 10-14m the electron, speed should be_____________?
A. 107m/sec
B. Should be greater than the speed of light.
C. Be zero
D. Not be wave-like - In bringing an electron towards the second electron, the electrostatic potential energy of the system
A. Decreases
B. increases
C. remains the same
D. becomes zeroSubmitted by: Tauseef Ali
- In an electron microscope, we use energetic particles because of______________?
A. Penetrating power is high
B. Kinetic energy is large
C. Wavelength is very short
D. All the above reasons - Alpha particles possess greater penetration power than that of beta particles due to its_____________?
A. Smaller ionization power
B. Greater ionization power
C. Neither greater nor smaller ionization power
D. Same ionization power - In Davisson-Germer experiment the diffracted proton from crystal shows______________?
A. Particle property
B. Wave property
C. Light property
D. Quantum property - If the momentum of an object is increased twice, then what will be the kinetic energy?
A. Twice
B. Thrice
C. Four times
D. Sixteen timesSubmitted by: Imran Ali Mirbahar
- The charge on neutron is_______________?
A. Plus 1.6 x 10-19C
B. Zero
C. Minus 1.6 x 10-19C
D. No definite charge
