Physics The point where total mass of a body is supposed to be concentrated is known as Centre of gravity Dead centre Centre of mass Centre of motion Centre of gravity Dead centre Centre of mass Centre of motion ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Its momentum remains constant Vertical component of its velocity remains constant Horizontal component of its velocity remains constant Its kinetic energy remains constant Its momentum remains constant Vertical component of its velocity remains constant Horizontal component of its velocity remains constant Its kinetic energy remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To reduce heat loss by radiation To make it smooth and frictionless To make it rust-proof To make it more durable To reduce heat loss by radiation To make it smooth and frictionless To make it rust-proof To make it more durable ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : In all directions Heating the medium through which it passes With the speed of light In a straight line In all directions Heating the medium through which it passes With the speed of light In a straight line ANSWER DOWNLOAD EXAMIANS APP
Physics Acceleration is Directly proportional to mass Directly proportional to force Inversely proportional to force Inversely proportional to mass Directly proportional to mass Directly proportional to force Inversely proportional to force Inversely proportional to mass ANSWER DOWNLOAD EXAMIANS APP
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