Physics Which one of the following determines the sharpness of image in a camera ? The aperture Size of the camera The exposure time The focal length of the lens The aperture Size of the camera The exposure time The focal length of the lens ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of different colours of light in a prism is : Reflection of light Diffraction of light Refraction of light Disperson of light Reflection of light Diffraction of light Refraction of light Disperson of light ANSWER DOWNLOAD EXAMIANS APP
Physics Depth of ocean is measured by Animometer Aerometer Siesmometer Fathometer Animometer Aerometer Siesmometer Fathometer ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 30 days 365 days 24 hours Changing continuously 30 days 365 days 24 hours Changing continuously ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Cube of the semi-major axis Semi-major axis Square of the semi-major axis Fourth power of the semi-major axis Cube of the semi-major axis Semi-major axis Square of the semi-major axis Fourth power of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
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