Physics Water will not be vapourised if The humidity is 100% The temperature is 0°C The temperature is 100°C The humidity is 0% The humidity is 100% The temperature is 0°C The temperature is 100°C The humidity is 0% ANSWER DOWNLOAD EXAMIANS APP
Physics Electron microscope works on which of the following principles? Wave Nature of electrons Motion of charged particle in electromagnetic fields Faraday's law of Electromagnetic induction Optical interference Wave Nature of electrons Motion of charged particle in electromagnetic fields Faraday's law of Electromagnetic induction Optical interference ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Cannot be determined Ve > Vp Ve < Vp Ve = Vp Cannot be determined Ve > Vp Ve < Vp Ve = Vp ANSWER DOWNLOAD EXAMIANS APP
Physics A micron is equal to 0.001 mm 0.0001 mm 0.1 mm 0.01 mm 0.001 mm 0.0001 mm 0.1 mm 0.01 mm ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles It uses more powerful lenses The velocity of electron is smaller than that of visible light The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles It uses more powerful lenses The velocity of electron is smaller than that of visible light ANSWER DOWNLOAD EXAMIANS APP
Physics When two ice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together? Hydrogen bond formation Vander waals forces Covalent attraction Dipole interaction Hydrogen bond formation Vander waals forces Covalent attraction Dipole interaction ANSWER DOWNLOAD EXAMIANS APP
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