Sensation, Attention & Perception-Psychophysics (CBSE-NET (UGC) Psychology (Paper-II & Paper-III)): Questions 23 - 28 of 35

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Question number: 23

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

The visible spectrum extends from about ________.

Choices

Choice (4) Response

a.

320 to 780 nanometers

b.

390 to 790 nanometers

c.

780 to 790 nanometers

d.

380 to 780 nanometers

Question number: 24

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

The idea that the amount of change in a stimulus necessary to produce a JND is a constant proportion of the stimulus intensity is called

Choices

Choice (4) Response

a.

James’ law.

b.

Weber’s law.

c.

the law of diminishing returns.

d.

the all-or-none principle.

Question number: 25

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

The relationship between physical events at one end of the sensory channels and sensation at the other end, makes up the field of study known as ________.

Choices

Choice (4) Response

a.

Physical Psychology

b.

Physical Science

c.

Psychophysics

d.

Psychophysiology

Question number: 26

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

The electromagnetic spectrum includes visible light, infrared and ultraviolet light, radio waves, and

Choices

Choice (4) Response

a.

television broadcasts, gamma rays, and other energies.

b.

many kinds of nerve impulses.

c.

a single form of energy.

d.

a broad range of nerve impulses.

Question number: 27

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

The minimum amount of energy needed for a sensation to occur is called

Choices

Choice (4) Response

a.

minimal level.

b.

data reduction.

c.

the absolute threshold.

d.

a transducer.

Question number: 28

» Sensation, Attention & Perception » Psychophysics

MCQ▾

Question

Electromagnetic waves can be measured and classified in terms of the distance from the peak of one wave to the peak of the next that is in terms of ________.

Choices

Choice (4) Response

a.

Radiation length and wavelength

b.

Wavelength

c.

Radiation length

d.

All of the above

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