An Astronomical Telescope Is Made with Lenses of Focal Lengths

question 50

Multiple Choice

An astronomical telescope is made with lenses of focal lengths 80.0 and 1.25 cm. What magnifying power does this telescope provide?

• A) 10
• B) 81
• C) 79
• D) 64
• E) 41

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Definitions:

Mobile Elements

Sequences of DNA that can move or copy themselves to new positions within the genome of a single cell.

Evolution Rate

The speed at which evolutionary changes occur within a species or across species, influenced by various environmental and genetic factors.

Introns

Non-coding sequences of DNA within a gene that are removed by RNA splicing during the processing of the initial RNA transcript into mRNA.

Exons

Sequences of DNA or RNA that code for proteins or are involved in regulating gene expression.