Physics Formation of shadows can be explained by Reflection Total internal reflection Rectilinear propagation of light Refraction Reflection Total internal reflection Rectilinear propagation of light Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Gives strength to the engine Helps the engine in keeping the speed uniform Decreases the moment of inertia Accelerates the speed of the engine Gives strength to the engine Helps the engine in keeping the speed uniform Decreases the moment of inertia Accelerates the speed of the engine ANSWER DOWNLOAD EXAMIANS APP
Physics For accurate scientific work, temperatures are often measured by Thermoelectric thermometers Mercury thermometers Platinum resistance thermometers Alcohol thermometers Thermoelectric thermometers Mercury thermometers Platinum resistance thermometers Alcohol thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics Supercooling is cooling of liquid ________ Below melting point Below freezing point Above melting point At melting point Below melting point Below freezing point Above melting point At melting point ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same phase Same amplitude Same frequency All of these Same phase Same amplitude Same frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? X-rays A-rays G-rays B-rays X-rays A-rays G-rays B-rays ANSWER DOWNLOAD EXAMIANS APP