Physics

Waves

100

The equation for reflection

What is i=r?

200

v=d/t

What is the equation for speed of waves?

300

The distance in meters from the crest of one wave to the crest of another

What is wavelength?

400

All the different wavelengths of visible light combined together

What is white light?

500

The speed of sound in air

What is 330 m/s?

Energy

100

Q=mL 

What is the equation for latent heat?

200

E_p = mgh

What is the equation for gravitational potential energy?

300

E_k = 1/2 *m*v^2

What is the equation for kinetic energy?

400

E_mech=E_p+E_k

What is the equation for mechanical energy?

500

η= E_useful/E_input * 100%

What is the equation for efficiency?

Astronomy

100

8 planets

How many planets are there in our solar system?

200

The forth planet in the solar system 

What is Mars?

300

Jupiter

Which planet is the biggest in our solar system?

400

d=1/p 

What's the equation for parallax?

500

a³/T²=constant

What is Kepler's 3. law?

Units

100

68 km/s/Mpc

What is Hubble's constant?

200

3.26 ly

What is 1 pc?

300

4200 J/kg*°C

What is the specific heat capacity of water?

400

3.00*10^8 m/s

What is the speed of light?

500

1.50 * 10^11 m

What is 1 astronomical unit (AU)?