Quiz

BuzzFeed Staff, UK 

BuzzFeed

<b>If all the questions were multiple choice.</b> Real questions from <a href="http://pastpapers.edexcel.com/content/past-papers/home.html" target="_blank">past GCSE exam papers</a>.

If all the questions were multiple choice. Real questions from past GCSE exam papers.

Would You Pass School Physics Right Now?

Whether you remember it as "Roy G. Biv" or "Richard Of York Gave Battle In Vain" the seven colours of the rainbow are Red, Orange, Yellow, Green, Blue, Indigo and Violet.   
We've got Newton to blame for this. When he split white light with a prism in the 17th Century he originally saw five colours, then added the final two so there were seven in total – like the seven [musical notes](http://www.colourmusic.info/) and days of the week.

Seven.

Sound waves have a frequency between 20 and 20,000Hz, so ultrasound is greater than that upper limit.

Above 20,000Hz.

The diagram shows 1.5 wavelengths of the wave, so divide the total length by 3 and multiply it by 2 to get the final answer.

3cm.

It's measured in Coulombs per second, and the unit is Amps.

Electric current is the rate of flow of charge.

The sun will expand into a red giant in about 5 billion years, then shrink back down to a white dwarf to live out its days. If it was around 50% bigger it would end up as a black hole instead.

Earthquakes trigger primary and secondary waves, known as P- and S-waves. P-waves are compressional and longitudinal and S-waves are shear and transverse.

Transverse and longitudinal.

One Bq is defined as the activity of a quantity of radioactive material in which one nucleus decays per second.

Becquerel or Bq.

A variable resistor allows you to alter the flow of current in a circuit continually.

Variable resistor. 

Momentum is equal to mass multiplied by velocity.

600 kg m/s

When the velocity is constant the object is not accelerating, so the forces on it are balanced.

The same size.

The atomic number of an atom is equal to the number of protons in its nucleus. And in a neutral atom the number of electrons is equal to the number of protons.

0ºC is 273K. So 23ºC in Kelvin is 273+23=296K.

X-rays with higher frequencies have more energy.

When a wave changes direction because of a change in its transmission medium it's called refraction.

You probably wouldn't pass GCSE Physics today, but who cares? You have better things to do anyway.

You got an F!

You'd have probably just made it through, and a pass is a pass, so don't sweat it.

You got a D!

Not bad at all! You'd pass GCSE Physics today.

You got a C!

Congratulations! You'd be a straight-A student. Keep up the good work.

You got an A!

Congratulations! You'd be top of the class. Keep being amazing.

You got an A\*!

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Would You Pass School Physics Right Now?

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