Q. Color perception by a human eye is acquired due sensitivity of different light's wavelengths of

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Q. Term human computer interaction is first known in

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Q. Perception of brightness by human eye depends upon factor of

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Q. Frequency of sound is measured as

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Q. Characteristic of a software that enable users to intentionally use it is called

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Q. In human vision system, if two items are placed at same distance then smaller angle will be of

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Q. Ratio of rods per eye in human vision system is

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Q. Subsystem of human machine processor that handles sensory stimulus is called

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Q. Inner ear cochlea is filled with

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Q. Specialized nerve cells placed in retina in human eyes are called

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Q. Protection of sensitive middle ear from damage is responsibility of

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Q. Rods are placed in human eyes at position of

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Q. Two types of photoreceptors of retina in human eyes are

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Q. Standard line length given by scientists for equally legible is

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Q. One of factors, that effect speed of screen reading to be reduced is

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Q. Characteristic of a software that enable it to acquire requirement goal is called

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Q. Frequency of sound remains unchanged however, loudness of soundwave is proportional to

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Q. Second stage of visual perception process of human is

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Q. In human vision system, Y-cells are more widely distributed in the

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Q. Luminous of an image can be measured using

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