An Object 30 Cm in Front of a Concave Spherical

question 89

Short Answer

An object 30 cm in front of a concave spherical mirror (f = 10 cm) is moved toward the mirror until it is 20 cm from it. Sketch ray diagrams for these cases and estimate the factor by which the image magnification changes.

---

Definitions:

Social Identity Theory

A psychological theory suggesting that a person's sense of who they are is based on their group membership(s), which contributes to their self-esteem and behavior towards others.

Ultimate Attribution Error

A bias in which negative behaviors of out-group members are attributed to their character, while similar behaviors by in-group members are attributed to situational factors.

Intergroup Contact

The interaction between members of different social, ethnic, or cultural groups, which can reduce prejudice and improve intergroup relations.

Institutional Support

The assistance and resources provided by organizations or institutions, especially in educational, social, or professional settings, to facilitate goals or well-being.