Electrons_________________?
(A) Can exist inside the nucleus
(B) Cannot exist inside the nucleus
(C) Can exist both inside and outside the nucleus
(D) Do not know
Which one of the following radiation possesses maximum penetrating power ?
(A) X-rays
(B) B-rays
(C) γ-rays
(D) All have the equal penetrating powe
Nuclei having the same mass number but different atomic number are____________?
(A) Isotopes
(B) Isobars
(C) Isotones
(D) Isomers
Mass of neutron is________________?
(A) 1.67 x 10-31 kg
(B) 1.67 x 10-27 kg
(C) 9.1 x 10-31 kg
(D) 1.67 x 10-19 kg
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
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
The charge on an electron was determine by ________________?
(A) Ampere
(B) Maxwell
(C) Millikan
(D) Thomson
Which one of the following radiations possesses maximum velocity ?
(A) α-rays
(B) β-rays
(C) γ-rays
(D) All of above have the same speed