Physics The magnifying power of an astronomical telescope can be decreased by 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 None of these Increasing the focal length of the eyepiece Increasing the focal length of the objective ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Glass Water Air Glycerine Glass Water Air Glycerine ANSWER DOWNLOAD EXAMIANS APP
Physics Small bubbles are perfectly spherical because of Gravity Pressure Surface tension Viscosity Gravity Pressure Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 72 4 8 36 72 4 8 36 ANSWER DOWNLOAD EXAMIANS APP
Physics The swing of a spinning cricket ball in air can be explained on the basis of Turbulence caused by wind. Buoyancy of air. Bernoulli's theorem. Sudden change in wind direction. Turbulence caused by wind. Buoyancy of air. Bernoulli's theorem. Sudden change in wind direction. ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Dispersion of light Refraction of light Reflection of light Scattering of light Dispersion of light Refraction of light Reflection of light Scattering of light ANSWER DOWNLOAD EXAMIANS APP