Physics Which of the following has the highest frequency? Microwaves Cosmic rays X-rays Radio waves Microwaves Cosmic rays X-rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens The exposure time Size of the camera The aperture The focal length of the lens The exposure time Size of the camera The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? –273 –40 40 273 –273 –40 40 273 ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirror used in automobiles to see the traffic on the rear side is Convex Plano-Convex Concave Plane Convex Plano-Convex Concave Plane ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver Silver nitrate Red oxide Mercury Silver Silver nitrate Red oxide Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The chemical reaction between the gases inside the bulb None of these The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly The chemical reaction between the gases inside the bulb None of these The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly ANSWER DOWNLOAD EXAMIANS APP
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