An Object,located 90 Cm from a Concave Lens,forms an Image

question 67

Multiple Choice

An object,located 90 cm from a concave lens,forms an image 30 cm from the lens on the same side as the object.What is the focal length of the lens?

• A) −150 cm
• B) −45 cm
• C) −36 cm
• D) −180 cm

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Definitions:

Milgram Experiment

A psychological experiment conducted by Stanley Milgram in the 1960s to study obedience to authority, where participants were instructed to administer electric shocks to another person.

Stanford University Prison Experiment

A psychological study conducted by Philip Zimbardo in 1971 at Stanford University, where students were assigned roles of prisoners and guards to explore the effects of perceived power.

Generalization

Drawing a conclusion about a certain characteristic of a population based on a sample from it.

Logical Support

The provision of reasons or evidence to justify a claim or argument.