Physics The magnifying power of an astronomical telescope can be decreased by None of these Increasing the focal length of the eyepiece Increasing the focal length of the objective Decreasing the focal length of the eyepiece None of these Increasing the focal length of the eyepiece Increasing the focal length of the objective Decreasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
Physics The redness in atmosphere at Sunrise and Sunset is due to : Dispersion of light Reflection of light Refraction of light Scattering of light Dispersion of light Reflection of light Refraction of light Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Energy Displacement Acceleration Velocity Energy Displacement Acceleration Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Air Steel Vacuum Water Air Steel Vacuum Water ANSWER DOWNLOAD EXAMIANS APP
Physics Due to temperature variation along a conductor, potential variation occurs along it. This phenomenon is known as Thomson effect Joule effect Seebeck effect Peltier effect Thomson effect Joule effect Seebeck effect Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Depletion of ozone layer in the atmosphere Magnetic disturbances in the atmosphere Equal heating of different parts of the atmosphere Unequal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere Magnetic disturbances in the atmosphere Equal heating of different parts of the atmosphere Unequal heating of different parts of the atmosphere ANSWER DOWNLOAD EXAMIANS APP
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