Physics Ray Optics Level: Misc Level
An object is placed 15 cm from a 20 cm focal length converging lens. Calculate the magnification.
Physics Ray Optics Level: Misc Level
Light traveling in air strikes a flat piece of uniformly thick glass at an incident of 58 degrees. If the index of refraction is 1.45, what is the angle of refraction in the glass?
Physics Properties Of Matter Level: Misc Level
Convert 0.20 mol of boron into grams of boron. How many atoms are present?
Physics Properties Of Matter Level: Misc Level
Convert 0.20 mol of boron into grams of boron. How many atoms are present?
Physics Properties Of Matter Level: Misc Level
How many moles are represented by 250 g of platinum?
Physics Properties Of Matter Level: Misc Level
How many moles are represented by 118 g of cobalt? Cobalt has an atomic mass of 58.93 amu.
Physics Properties Of Matter Level: Misc Level
How many atoms are present in 4.0 mol of sodium?
Physics Properties Of Matter Level: Misc Level
Convert 3.01 times 10 to the 23 power atoms of silicon to moles of silicon.
Physics Properties Of Matter Level: Misc Level
How many moles of osmium are represented by 3.5 times 10 to the 23 power.
Physics Properties Of Matter Level: Misc Level
How many moles of silver are represented by 2.888 times 10 to the 23 power (10 ^23 ).
Physics Properties Of Matter Level: Misc Level
Calculate the mass in grams of 2.3456 mol of lead. Calculate the number of moles of 2.3456 g of lead.
Physics Properties Of Matter Level: Misc Level
Calculate the number of moles of .850 g of hydrogen. What is the mass in grams of .850 mol of hydrogen atoms?
Physics Waves And Oscillations Level: Misc Level
When a standing wave exists on a s string, the vibrations of incident and reflected waves cancel at the nodes. Does this mean that energy was destroyed? Explain.
Physics Waves And Oscillations Level: Misc Level
If we knew that energy was being transmitted from one place to another, how might we determine whether the energy was being carried by particles ( material bodies ) or by waves?
Physics Waves And Oscillations Level: Misc Level
What kind of waves do you think will travel down a horizontal metal rod if you strike its end (a) vertically from the above and (b) horizontally parallel to its length?
