Light is travelling through air reaches quartz at an angle of incidence of 35°. The index of refraction of quartz is 1.54. At what angle of refraction does the light travel into the quartz?

Which chart correctly describes the properties of magnets and electromagnets? A. Property Electromagnet Magnet Permanent magnet X Temporary magnet X X Magnetic field created by aligning domains X Moving electric charge produces magnetic field X B.

States that scores on IQ tests have steadily risen since 1920

For a projectile, why is the initial horizontal velocity equal to the final horizontal velocity?

Flashlight has resistance of 2.4 what voltage is applied by the batteries if the current is 2.5a

What will happen if you rub two different materials together?

Imagine two starts are exactly the same size, but one of the stars to greater mass than the other. which star will burn out all of its fuel first

How many eclipses normally occur each year? a. 2 b. 5 c. 7 d. 4

At what distance from equilibrium is the energy of a sho half kinetic and half potential?

Why can you not measure the volume of water in the measuring cylinder accurately unless you look straight at the scale?

How can biologic weathering result in chemical weathering? A. Bacteria release acids and other agents that break down rock B. Large herds temple rocks and break up soil C. Root loosen soil and break rock