Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Exosphere Ionosphere Stratosphere Mesosphere Exosphere Ionosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the waves have the longest wavelength Blue Violet Green Red Blue Violet Green Red ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Flint glass Pyrex glass Cobalt glass Ordinary glass Flint glass Pyrex glass Cobalt glass Ordinary glass ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Humidity Density Pressure Temperature Humidity Density Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The term ''Isoneph' indicates the lines of equal Pressure Cloudiness Rainfall Salinity Pressure Cloudiness Rainfall Salinity ANSWER DOWNLOAD EXAMIANS APP
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