Physics A single fixed pulley is used to draw water from a well because Velocity ratio is low Force is applied in a convenient direction Mechanical advantage is high Efficiency is 100% Velocity ratio is low Force is applied in a convenient direction Mechanical advantage is high Efficiency is 100% ANSWER DOWNLOAD EXAMIANS APP
Physics Energy per unit volume is dimensionally equal to Work Force Pressure Density Work Force Pressure Density ANSWER DOWNLOAD EXAMIANS APP
Physics The energy associated with motion is called None of these Both A & B Kinetic energy Potential energy None of these Both A & B Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Cube of the semi-major axis Semi-major axis Fourth power of the semi-major axis Square of the semi-major axis Cube of the semi-major axis Semi-major axis Fourth power of the semi-major axis Square of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a Non Renewable Resource of Energy? Hydrogen Fuel Natural Gas Wind Power Solar Energy Hydrogen Fuel Natural Gas Wind Power Solar Energy ANSWER DOWNLOAD EXAMIANS APP
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