Physics Online Quizzes • Subject Knowledge Physics Quiz 05 January 17, 2018by Muhammad Arslan1,550 Views Written by Muhammad Arslan The quantity e^2/hc , where 'e' is the electronic charge 'h' is the Planck's constant and 'c' is the velocity of light. Is dimensionless Has the dimension of mass Has the dimension of time Has the dimension of length Continue >> Given the density of wood is 0.5 gm per c.c. in the C.G.S. system of units. Its value in MKS units is given by 0.5 500 50 5,000 Continue >> One big advantage of the atomic standards of length and time is that They are natural units They are of human size They can be measured with simple equipment They can be duplicated anywhere Continue >> One Fermi is equal to (in SI) 10^-6 Henry 10^-12 farad 10^-12 Angstrom 10^-12 metre Continue >> The correct unit of power is Kilowatt-hour Kilowatt Joule Dynes Continue >> choose the physical quantity which is not defined in terms of force per unit area Strain Stress Pressure Young's modulus Continue >> A pressure of 106 dynes/cm^2 in C.G.S. is equivalent to ... in M.K.S. 10^6 N/m^2 10^3 N/m^2 10^5 N/m^2 10^4 N/m^2 Continue >> One pascal in SI is equal to One newton/metre One dyne cm^2 One newton metre One newton metre^-2 Continue >> Out of the followings which is not a characteristic of the fundamental units? They are easily reproductive They are not related to each other They do not change with change of conditions as temperature, state of motion, pressure etc They are well defined Continue >> In S.I System, the correct unit of pressure is Atmosphere Dynes per square cm Pascal mm of mercury Continue >> Just tell us who you are to view your results ! Your first name : Your email address : Show my results >> Please share this quiz to view your results . Facebook PLAY AGAIN ! Facebook Comments