It Is Possible to Detect Doppler Shifts Due to Light $\times$

question 50

Multiple Choice

It is possible to detect Doppler shifts due to light on each side of a rapidly spinning star.Suppose it is seen that a nearby star,relatively stationary to us,is blueshifted in light on one side of the star and redshifted in the light from the other side.Suppose a star of radius 2.5 $\times$ 10⁸ km has light shifted from 525 nm to 527 nm on one side and to 523 nm on the other.What is the rotational period of the star?

• A) 34 h
• B) 32 h
• C) 24 h
• D) 16 h

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Definitions:

Embryos

Early developmental stages of a multicellular organism following fertilization, before reaching the fetal stage.

Trimester

One of the three roughly three-month periods into which pregnancy is divided.

Polygenic Inheritance

Pattern of inheritance in which multiple genes at different sites on chromosomes affect a complex trait.

Recessive Inheritance

Pattern of inheritance in which a child receives identical recessive alleles, resulting in expression of a nondominant trait.