Physics Stars twinkle because the distance of the stars from the earth changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the intensity of light emitted by them changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Fresh water Salt water Petrol Mercury Fresh water Salt water Petrol Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Which results in an increase in power? Doing more work in less time. Doing more work in more time. Doing less work in less time. Doing less work in more time. Doing more work in less time. Doing more work in more time. Doing less work in less time. Doing less work in more time. ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because It is cold on the hills There is a decrease in air pressure on the hills There is less carbon dioxide on the hills There is less oxygen It is cold on the hills There is a decrease in air pressure on the hills There is less carbon dioxide on the hills There is less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the principle of refraction interference scattering total internal reflection principle of refraction interference scattering total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Who indirectly determined the mass of the electron by measuring the charge of the electron? Einstein Rutherford Millikan Thomson Einstein Rutherford Millikan Thomson ANSWER DOWNLOAD EXAMIANS APP
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