An Object Is Placed 100 Cm in Front of a Lens

question 47

Multiple Choice

An object is placed 100 cm in front of a lens of focal length 20 cm.A second lens is placed 35 cm beyond the first,this second lens having a focal length of 8.0 cm.If the height of the object is 6.0 cm,what is the height of the final image?

• A) 1.5 cm
• B) 12 cm
• C) 9.0 cm
• D) 3.0 cm
• E) 6.0 cm

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Definitions:

Null Hypothesis

A hypothesis that there is no significant difference or effect, serving as the default assumption to be tested in statistical hypothesis testing.

One-Tailed Test

A statistical test in which the region of rejection is on only one side of the sampling distribution, used when making a directional hypothesis about a population parameter.

Hypothesize

The process of making an educated guess or proposition that attempts to explain a phenomenon or answer a question, which can then be tested through experimentation or observation.