Physics What is the minimum escape velocity of rocket to be launched into space ? 5 Km/Sec. 11 Km/Sec. 6 Km/Sec. 15 Km/Sec. 5 Km/Sec. 11 Km/Sec. 6 Km/Sec. 15 Km/Sec. 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 None of these Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these Increasing the focal length of the objective ANSWER DOWNLOAD EXAMIANS APP
Physics The slope of a velocity-time graph represents Speed Distance Displacement Acceleration Speed Distance Displacement Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals have higher thermal capacity than plastics plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a lower density than metals plastics have a higher thermal conductivity than metals metals are good conductor of heat 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 Which of the following instruments is used to measure humidity ? Sling Psychrometer Kata Thermometer Anemometer Clinical Thermometer Sling Psychrometer Kata Thermometer Anemometer Clinical Thermometer ANSWER DOWNLOAD EXAMIANS APP
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