Physics What type of lens is used in a magnifying glass None of these Plano-concave Convex Concave None of these Plano-concave Convex Concave ANSWER DOWNLOAD EXAMIANS APP
Physics In a Carnot engine when heat is taken from the source, its temperature Increases Remains constant Decreases Decreases and then remains constant Increases Remains constant Decreases Decreases and then remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Scanning tunneling microscopes None of these Electron microscopes Optical microscopes Scanning tunneling microscopes None of these Electron microscopes Optical microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of All of these Same frequency Same amplitude Same phase All of these Same frequency Same amplitude Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Diffraction of light Reflection by hot ground Interference of light Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light Total internal reflection by layers of air ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of Force? Pascal Boyle Newton Watt Pascal Boyle Newton Watt ANSWER DOWNLOAD EXAMIANS APP