Physics Sound of frequency below 20 Hz is called infrasonic audio sounds ultrasonic supersonics infrasonic audio sounds ultrasonic supersonics ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by An electrical spark Using heat from exhaust Compressing air in the cylinders The battery An electrical spark Using heat from exhaust Compressing air in the cylinders The battery ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appear twinkling because of ......... of light. Emission Absorption Reflection Scattering Emission Absorption Reflection Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Potential energy Angular momentum Linear momentum Force Potential energy Angular momentum Linear momentum Force ANSWER DOWNLOAD EXAMIANS APP
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 All will cool at the same rate Cube Circular plate Sphere All will cool at the same rate Cube Circular plate ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Convection Conduction Both conduction and convection Radiation Convection Conduction Both conduction and convection Radiation ANSWER DOWNLOAD EXAMIANS APP
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