Physics In which of the following cases, kinetic energy is being used in performing work ? Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? 273 40 –273 –40 273 40 –273 –40 ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because The density of salt solution exceeds the density of eggs Water has high surface tension Albumin dissolves in salt solution and egg becomes lighter Egg absorbs salt from the solution and expands The density of salt solution exceeds the density of eggs Water has high surface tension Albumin dissolves in salt solution and egg becomes lighter Egg absorbs salt from the solution and expands ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of sky appears blue due to Scattering of shorter wave lengths Reflection Refraction Dispersion Scattering of shorter wave lengths Reflection Refraction Dispersion ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Cinema projectors Domestic lighting Photography Vehicles Cinema projectors Domestic lighting Photography Vehicles ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Maser Laser Eraser Grazer Maser Laser Eraser Grazer ANSWER DOWNLOAD EXAMIANS APP