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An electron and a proton starting from rest get accelerated through potential difference of 100kV. The final speeds of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? A. Ve > Vp B. Ve < Vp C. Ve = Vp D. Cannot be determined0 AnswerIn a typical scanning electron microscope (SEM) image, information about topography and atomic contrast are obtained from ________________. (A) secondary electron and auger electron, respectively. (B) primary electron and secondary electron, respectively. (C) secondary electron and back-scatter electron, respectively. (D) back-scatter electron and auger electron, respectively.0 AnswerWrite the expression for the de Broglie wavelength associated with an electron accelerated through a potential V. (Physics CBSE 2018)1 AnswerA proton and an electron travelling along parallel paths enter a region of uniform magnetic field, acting perpendicular to their paths. Which of them will move in a circular path with higher frequency (Physics CBSE 2018)1 AnswerThe speed of an electron is measured to be 300 m s1 with an uncertainty of 0.01%. The fundamental accuracy with which the position of the electron can be determined simultaneously with the speed in the same experiment is _________ mm (give answer up to 2 decimal places)0 AnswerThe spin-orbit interaction term of an electron moving in a central field is written as f(r)l ∙ s , where r is the radial distance of the electron from the origin. If an electron moves inside a uniformly charged sphere, then (A) f(r) = constant (B) f(r) ∝ r ^−1 (C) f(r) ∝ r ^−2 (D) f(r) ∝ r ^−30 Answer If an atom contains one electron and one proton, will it carry any charge or not? CBSE- Class9- Chemistry 20131 Answer If an atom contains one electron and one proton, will it carry any charge or not? CBSE- Class9- Chemistry 20131 Answer If an atom contains one electron and one proton, will it carry any charge or not? CBSE- Class9- Chemistry 20131 AnswerAn electron and a proton are moving on straight parallel paths with same velocity. They enter a semi-infinite region of uniform magnetic field perpendicular to be velocity. Which of the following statement(s) is/are true? - jee main 2012 physics 1 AnswerIn a 400 MHz 1H NMR spectrometer, a proton resonates at 1560 Hz higher than that of tetramethylsilane. The chemical shift value of this proton is ___________ ppm. (Round off to one decimal place) (Chemical shift of tetramethylsilane is fixed at zero ppm)0 AnswerTwo railway stations A and B are 300 km apart. In what time will two trains, starting from the opposite ends and travelling towards each other with equal speeds, meet each other?0 AnswerTwo railway stations A and B are 300 km apart. In what time will two trains, starting from the opposite ends and travelling towards each other with equal speeds, meet each other? (NIFT UG)1 AnswerAn intrinsic semiconductor has conduction electron concentration, n = 1012 cm3. The mobility of both electrons and holes are identical = 4 104 cm2 V1 s1. If a voltage of 100 V is applied on two parallel end faces of the cube (edge length 1 cm) through Ohmic contacts, the current through the cube would be (in mA) (Given: charge of electron = 1.6 1019 C)0 Answer______ is not a sub atomic particle of an atom0 AnswerHow do you understand by the term 'Binding Energy'?1 AnswerAn electron makes a transition from the valence band to the conduction band in an indirect band gap semiconductor. Which one of the following is true1 AnswerIn an electron microscope if the potential is increased from 20 KV to 60 KY, the resolving power 'R' of the microscope will be:0 AnswerUsing Bohr’s postulates show that for an electron revolving in the nth possible orbit in a hydrogen atom (a) the radius of the orbit is directly proportional to n^2, and (b) the total energy of the electron is inversely proportional to n^2. (Physics CBSE 2018)1 Answer Botany : Select the CORRECT combination of the following statements. P. The cyclic electron transport chain involving PSI results in net production of both ATP and NADPH Q. The cyclic electron transport chain involving PSI results in net production of ATP R. Rubisco enzyme usually converts RuBP and CO2 into 2-phosphoglycolate and 3-phosphoglycerate S. Rubisco enzyme usually converts RuBP and O2 into 2-phosphoglycolate and 3-phosphoglycerate0 Answer