Physics For photoelectric effect to take place, the metal used as the cathode should have ________ High melting point Low resistance Low melting point Low work function High melting point Low resistance Low melting point Low work function ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on ice than on a concrete road because Ice is soft when compared to concrete There is more friction between the ice and feer None of these There is very little friction between the ice and feet pressing it Ice is soft when compared to concrete There is more friction between the ice and feer None of these There is very little friction between the ice and feet pressing it 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? Ve < Vp Cannot be determined Ve > Vp Ve = Vp Ve < Vp Cannot be determined Ve > Vp Ve = Vp ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : None of these Ppm Decibel Decimal None of these Ppm Decibel Decimal ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension? Force and rate of change of linear momentum Planck's constant and Angular momentum Pressure and Young's modules Impulse and moment of force Force and rate of change of linear momentum Planck's constant and Angular momentum Pressure and Young's modules Impulse and moment of force ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Two times Half No change Four times Two times Half No change Four times ANSWER DOWNLOAD EXAMIANS APP
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