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 Ve < Vp Cannot be determined Ve > Vp Ve = Vp Ve < Vp Cannot be determined Ve > Vp ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece Increasing the focal length of the objective None of these Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece Increasing the focal length of the objective None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Both (A) and (B) Gravity Mass Buoyancy Both (A) and (B) Gravity Mass Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec 21 km/sec 11.2 km/sec 35 km/sec 18 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : In all directions In a straight line Heating the medium through which it passes With the speed of light In all directions In a straight line Heating the medium through which it passes With the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics Absolute Zero is defined as At which liquid Helium boils At which the volume becomes zero The temperature at which all molecular motion ceases At which water boils at 298K At which liquid Helium boils At which the volume becomes zero The temperature at which all molecular motion ceases At which water boils at 298K ANSWER DOWNLOAD EXAMIANS APP
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