Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? Asteroid belt Ozone hole White hole Black hole Asteroid belt Ozone hole White hole Black hole ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Martin Luther Copernicus Galileo Johannes Kepler Martin Luther Copernicus Galileo Johannes Kepler ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Glass Air Glycerine Water Glass Air Glycerine Water ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Is least bright Undergoes least deviation Gives comfort to eye Has lowest velocity Is least bright Undergoes least deviation Gives comfort to eye Has lowest velocity ANSWER DOWNLOAD EXAMIANS APP
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