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? Circular plate Sphere Cube All will cool at the same rate Circular plate Sphere Cube All will cool at the same rate ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Particles replaces there places Means of photons Collide each other All of these Particles replaces there places Means of photons Collide each other All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because All of these they can detect faint galaxies which no optical telescope can they can work even in cloudy conditions they can work during the day and night All of these they can detect faint galaxies which no optical telescope can they can work even in cloudy conditions they can work during the day and night ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute refractive index of any medium is always: 1 More than one Less than one 1 More than one Less than one ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Total internal reflection Refraction Interference Scattering Total internal reflection Refraction Interference Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Atomic emission Electron absorption Atomic absorption Electron emission Atomic emission Electron absorption Atomic absorption ANSWER DOWNLOAD EXAMIANS APP
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