Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens Size of the camera The exposure time The aperture The focal length of the lens Size of the camera The exposure time The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics Time of exposure required for taking photograph of an object depends upon the Skill of photographer Brightness of the object Size of the object Proximity of object Skill of photographer Brightness of the object Size of the object Proximity of object ANSWER DOWNLOAD EXAMIANS APP
Physics If the temperature of a place increases suddenly, the relative humidity Fluctuates Decreases Increases Remains constant Fluctuates Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Moment of force Centrifugal force Centripetal force Centre of gravity Moment of force Centrifugal force Centripetal force Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? 100 W Both 25 W Neither 100 W Both 25 W Neither ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a part of a CRT ? Shadow mask Electron gun Phosphor screen Gas plasma Shadow mask Electron gun Phosphor screen Gas plasma ANSWER DOWNLOAD EXAMIANS APP
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