Light Can Exhibit the Characteristics Of

question 9

Multiple Choice

Light can exhibit the characteristics of:

• A)a particle with energy E = hf.
• B)a wave with wavelength
• C)a particle or wave that travels at speed in all materials.
• D)all of the above.
• E)only (a) or (b) above.

---

Definitions:

Double-blind Procedure

A research method in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.

Memory-enhancing Drug

A memory-enhancing drug is any substance that is claimed to improve memory, cognitive function, or facilitate accelerated learning.

Research Participants

Individuals who take part in a scientific study or experiment, contributing data through their responses or behaviors.

Psychological Therapy

A treatment method for mental and emotional disorders which uses psychological techniques designed to encourage communication of conflicts and insight into problems.