Sensation, Attention & Perception-Psychophysics [NTA-NET (UGC-NET) Psychology (04)]: Questions 9 - 13 of 30
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Question 9
Question MCQ▾
A “silent” dog whistle takes advantage of a characteristic of sensory systems known as
Choices
Choice (4) | Response | |
---|---|---|
a. | a just noticeable difference. | |
b. | the absolute threshold. | |
c. | the difference threshold. | |
d. | perceptual defense. |
Question 10
Question MCQ▾
The entire range of wavelengths is called ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | Electromagnetic waves | |
b. | Visible spectrum | |
c. | Visible and Electromagnetic waves both | |
d. | Electromagnetic spectrum |
Question 11
Question MCQ▾
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 12
Question MCQ▾
Psychophysics is combined word of two terms, where ‘psycho’ means ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | Experience | |
b. | Mind or experience | |
c. | Physical events | |
d. | Mind |
Question 13
Appeared in Year: 2014
Question MCQ▾
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 1 are correct. | |
b. | 4 and 3 are correct. | |
c. | 1 and 4 are correct. | |
d. | 2 and 3 are correct. |