Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Sphere Circular plate Cube All will cool at the same rate Sphere Circular plate Cube All will cool at the same rate ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to viscosity surface tension elasticity specific gravity viscosity surface tension elasticity specific gravity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a conductor of electricity ? Salt water Benzene Rubber Pure water Salt water Benzene Rubber Pure water ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Ultra violet Cosmic rays Red light Infra red Ultra violet Cosmic rays Red light Infra red ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is One Less than one More than one Zero One Less than one More than one Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing higher in the sky than it actually is Sun appearing red at sunset Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing higher in the sky than it actually is Sun appearing red at sunset ANSWER DOWNLOAD EXAMIANS APP