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? Cube All will cool at the same rate Circular plate Sphere Cube All will cool at the same rate Circular plate Sphere ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Becomes maximum for angle of incidence equal to 45° Increases with the increase in angle Does not depends on the angle of incidence Decreases with the increase in angle of incidence Becomes maximum for angle of incidence equal to 45° Increases with the increase in angle Does not depends on the angle of incidence Decreases with the increase in angle of incidence ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Both mass and charge Neither mass nor charge Charge but no mass Mass but no charge Both mass and charge Neither mass nor charge Charge but no mass Mass but no charge ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the product of speed of light in medium and in vacuum. None of above It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Filament Circuit Cells Element Filament Circuit Cells Element ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 5 7 3 6 5 7 3 6 ANSWER DOWNLOAD EXAMIANS APP
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