Physics A light year is a measure of : Distance Velocity Time Speed Distance Velocity Time Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 years 4.2 years 42 seconds 4.2 seconds 42 years 4.2 years 42 seconds 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics Sun appears red in colour at sunrise and sunset due to Red light having longer wave length scatters away The fact that sun emits only red colour at that time That sun comes out of the mountains That all other colours scatter away except red Red light having longer wave length scatters away The fact that sun emits only red colour at that time That sun comes out of the mountains That all other colours scatter away except red ANSWER DOWNLOAD EXAMIANS APP
Physics On a rainy day, small oil films on water show brilliant colours. This is due to interference dispersion polarization diffraction interference dispersion polarization diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : 42,000 km None of these 36,000 km 30,000 km 42,000 km None of these 36,000 km 30,000 km ANSWER DOWNLOAD EXAMIANS APP
Physics One can distinguish a telescope from a microscope by observing Colour Length Length and size of the lens Size of the lens Colour Length Length and size of the lens Size of the lens ANSWER DOWNLOAD EXAMIANS APP
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