A Charged Particle Moving Along the +X-Axis Enters a Uniform $\vec { B }$

question 60

Multiple Choice

A charged particle moving along the +x-axis enters a uniform $\vec { B }$ field pointing along the +z-axis.A uniform electric field is also present.Due to the combined effect of both fields,the particle does not change its velocity.What is the direction of the electric field?

• A)along the -y-axis
• B)along the +y-axis
• C)along the -x-axis
• D)along the +x-axis
• E)along the -z-axis

Understand the concept of Hardy-Weinberg equilibrium and the conditions under which it is maintained.

Recognize and explain the significance of multiple allele systems and balanced polymorphisms in populations.

Calculate allele frequencies and predict genotype frequencies in a population using Hardy-Weinberg law.

Describe various types of reproductive isolation and their role in speciation.

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