Physics Which one of the following determines the sharpness of image in a 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 The aperture Size of the camera ANSWER DOWNLOAD EXAMIANS APP
Physics Water is not suitable as a calorimetric substance because it : Is a good conductor Low latent heat of vapourization Has high boiling point Has high specific heat Is a good conductor Low latent heat of vapourization Has high boiling point Has high specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Neutrons Electromagnetic radiations Alpha particles Electrons Neutrons Electromagnetic radiations Alpha particles Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Diffraction Reflection Refraction Polarisation Diffraction Reflection Refraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is a good conductor It is economical It has a very high melting point It is malleable It is a good conductor It is economical It has a very high melting point It is malleable ANSWER DOWNLOAD EXAMIANS APP
Physics Which results in an increase in power? Doing less work in less time. Doing less work in more time. Doing more work in more time. Doing more work in less time. Doing less work in less time. Doing less work in more time. Doing more work in more time. Doing more work in less time. ANSWER DOWNLOAD EXAMIANS APP
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