wolfka Asked: December 2022 A hypothetical electromagnetic wave is shown in the ligure. The wave length of the radiation 1S hr x (x = 4.32 pm) 1) 2.16 pm 2)
wolfka Asked: December 2022 if the wave length of an electromagnetic radiation is 2000 a what is the energy in ergs 1 992x10 19 2 994x10 12 3
wolfka Asked: December 2022 which one of the following frequency of radiation in hz has a wave length of 600 nm 1 2x10 2 5x1016 3 2x10 4 5x10
wolfka Asked: December 2022 a -particles are projected towards the following metals, with same K.E. Towards which metal, the distance of closest approach is minimum
wolfka Asked: December 2022 Which of the following contains the least number of neutrons ? 1) 3SU 2) 238U 3) 73' Np 4) 31 Np
wolfka Asked: December 2022 The ratio of energies of two different radiations whose wave lengths are 400 nm and 800 nm is 1) 2:1 2) 4:1 3) 1:2
wolfka Asked: December 2022 1what are the properties of polythene2what are thermoplastic and their uses