Sensation, Attention & Perception-Psychophysics (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 19 - 22 of 35

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Question number: 19

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

According to Weber’s Law, if two light bulbs must go out in a room in which twenty are burning to make the room noticeably dimmer, then a room in which forty are burning will become noticeably dimmer when ________ bulbs go out.

Choices

Choice (4) Response

a.

six

b.

eight

c.

four

d.

two

Question number: 20

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

Psychophysics is combined word of two terms, where ‘psycho’ means ________.

Choices

Choice (4) Response

a.

Physical events

b.

Mind

c.

Experience

d.

Mind or experience

Question number: 21

» Sensation, Attention & Perception » Psychophysics

Appeared in Year: 2014

MCQ▾

Question

Which of the following descriptions are correct? (December)

1. Weber’s Ratio means that greater the magnitude of a stimulus, smaller the change required for a difference to be detected

2. The ability to detect, resolve and perceive fine details of a visual display is called visual acuity.

3. Stimulation of a succession of neighboring retinal loci is called the image retina movement system.

4. Adaptation refers to the proportion of incident light that is reflected.

Choices

Choice (4) Response

a.

2 and 3 are correct.

b.

2 and 1 are correct.

c.

4 and 3 are correct.

d.

1 and 4 are correct.

Question number: 22

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

The conversion of electromagnetic energy into a neural impulse involves

Choices

Choice (4) Response

a.

transduction.

b.

localization of function.

c.

phosphenes.

d.

feature analysis.

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