basic physics mcqs
Q.37 Thorium is transformed after the transmission of β particle into: A) Bismuth …
Q.37 Thorium is transformed after the transmission of β particle into: A) Bismuth …
Q.24 A Uranium isotope 232 92 U undergoes one α –decay and one β 10 – decay. What is the final product? A) 90 …
Q.31 A certain radioactive nuclide of mass number ‘x’ decays by βemission and α emission to a second nuclide of mass numbe…
Q.17 Emission of alpha decay from a radioactive substance causes: A) Decreases in 'Z' by 4 and decreases in 'A&#…
Q.11 Which of the following is unit of absorbed dose? A) Sievert C) Roentgen B) Gray …
Q.1 Ionizing capability of gamma rays is: A) Equal to alpha and beta particle C) Less than b…
Q.6 Which of following is used to estimate the circulation of blood in a patient? A) Carbon-14 C)…
Q.27 What will be the energy of accelerated electron used to produce X-rays when the accelerating potential is 2 kV? A) 2 x …
Q.38 Which one of the following gas is the lasing or active medium in the laser tube? A) Hydrogen …
Q.20 For what CAT stands in Xray technology? A) Capacitor Amplifier Transistor C) Cathode Anode Tec…
Q.13 Which of the following property must be there in a substance so that it can be used as target in Xray tube? A) It must…
.8 The kinetic energy K.E. with which the electron strikes the target is given by: A) K.E. = e 2 V …
Q.1 In Helium Neon laser, population inversion of _________ atoms is achieved which emit radiations, when they are stimulate…