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Is a photon a wave or a particle??

This question was answered most famously by Young's double slit experiment. The double slit experiment shows that photons (as well as all light and matter) can be thought of as both a wave AND a particle. As...
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Answered by Jono G. • Physics tutor
2815 Views

How can we determine stationary points by completing the square?

Suppose we have completed the square on y=ax^2+bx+c and attained y=a(x+p)^2+q, where a,b,c,p,q are real numbers with 'a' not equal to zero and p,q can be expressed in terms of a,b,c. For a>0 we have a min...
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Answered by Hayk Y. • Maths tutor
16641 Views

How do you derive the quadratic formula?

The quadratic formula is the formula that solves any quadratic equation. So, keeping things general, let's begin with a completely general quadratic equation: ax 2 +bx+c=0 This is completely general because ...
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Answered by Aneesh N. • Maths tutor
6777 Views

What is meant by the term 'sofa government'?

The term 'sofa government' refers to a type of informal decision making within government. Unsuprisingly the name comes from the idea that politicians and their advisors would be sat on sofas discussing pote...
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Answered by Sam F. • Politics tutor
50434 Views

Briefly outline some of the difficulties third parties in the U.S face when trying to secure electoral campaign funding.

Third parties in the U.S face a number of difficulties when competing against the two dominant parties, those of the Republican party and the Democratic party. There are two important factors to consider. Th...
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Answered by Sam F. • Politics tutor
6039 Views