Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough black Shining black Rough white Shining white Rough black Shining black Rough white Shining white ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 2 1 1.2 1.5 2 1 1.2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Physics What are the particles emitted by radioactive element after 3 consecutive disintegration? 2 beta 1 alpha 2 beta 2 alpha 1 alpha 1 beta 2 alpha 1 beta 2 beta 1 alpha 2 beta 2 alpha 1 alpha 1 beta 2 alpha 1 beta ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Infrared rays Ultra-violet radiation X-rays Microwave radiation Infrared rays Ultra-violet radiation X-rays Microwave radiation ANSWER DOWNLOAD EXAMIANS APP
Physics If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects? Velocity Acceleration Kinetic Energy Momentum Velocity Acceleration Kinetic Energy Momentum ANSWER DOWNLOAD EXAMIANS APP