The prothallus is a small, green, oval-shaped gametophyte. true or false

Lenses are often coated with magnesium fluoride (refractive index n = 1.38) to reduce reflections. How thick should the layer of magnesium fluoride be if reflections from the coating surface interfere destructively with those from the coating-glass

If a particle with a charge of + 4.3 * 10-18 C is attracted to another particle by a force of 6.5 * 10-8 N, what is the magnitude of the electric field at this location? 2.2 * 1026 NC 2.8 * 10-25 NC 1.5 * 1010 N/C 6.6 * 10-11 N/C

What is a list of solid mixtures in a classroom?

Can anything reflect x-rays or gamma rays?

Which three statements about electric magnetic radiation are true

What are some examples of constructive interference and the Doppler Effect in real life

A football is kicked at an 50 degree angle to the horizontal, travels a horizontal distance of 20m before hitting the ground. what is the initial speed?

What happens when you rub an ebonite stick with a wool cloth?

What is ferromagnetism?

Why are scientists most likely working on developing cleaner-burning fuel for cars