A Lens of Focal Length 20 Cm Has an Object

question 114

Multiple Choice

A lens of focal length 20 cm has an object of height 3.0 cm placed 100 cm in front of it. The image distance in this case is

• A)33 cm.
• B)20 cm.
• C)25 cm.
• D)17 cm.
• E)-25 cm.

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Definitions:

Dominant Allele

An allele that expresses its phenotypic effect even when heterozygous with a recessive allele.

Genotype

The genetic makeup of an organism, representing the combination of alleles inherited from its parents.

Phenotype

The assortment of detectable features in an individual, formed through the combination of their genetic material and the influence of environmental conditions.

Genotype Frequencies

The proportion of different genetic types within a population.