Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The good conducting power of the metal body The greenhouse effect The double layered wind shield The heat emitted by the engine The good conducting power of the metal body The greenhouse effect The double layered wind shield The heat emitted by the engine ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A person does some work of 1,000 J in 2 s. His power will be ________ 1000W 25W 50W 500W 1000W 25W 50W 500W ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with uniform acceleration its final velocity equals ________ Average velocity - initial velocity Average velocity + initial velocity 2 x average velocity - initial velocity 2 x average velocity + initial velocity Average velocity - initial velocity Average velocity + initial velocity 2 x average velocity - initial velocity 2 x average velocity + initial velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Tungsten Chromium Nichrome Nickel Tungsten Chromium Nichrome Nickel ANSWER DOWNLOAD EXAMIANS APP