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? All will cool at the same rate Sphere Circular plate Cube All will cool at the same rate Sphere Circular plate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirror is generally used in ________ Solar cookers Opthalmoscope Rear view mirror Reflector for head light Solar cookers Opthalmoscope Rear view mirror Reflector for head light ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to reflection Due to diffraction Due to refraction Due to total internal reflection Due to reflection Due to diffraction Due to refraction Due to total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of a musical note depends on Velocity of sound in the medium Harmonics present Fundamental frequency Amplitude of the wave Velocity of sound in the medium Harmonics present Fundamental frequency Amplitude of the wave ANSWER DOWNLOAD EXAMIANS APP
Physics The energy associated with motion is called Potential energy None of these Both A & B Kinetic energy Potential energy None of these Both A & B Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can either be created nor destroyed Energy can neither be created or destroyed Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can either be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
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