Kimia

For a I got 36666.67 seconds which I don't know if its right and then b I know my answer is wrong because I got 0.0375 for wavelength.And I don't understand how to do e or f. The Voyager 1 spacecraft is at the edge of the solar system, about 11 billion km...

If you are casting a shadow of a ball on the wall, how do you make the umbra larger than the ball or is it impossible. Also, how can you make the umbra smaller than the ball or is it impossible? How can you make the radius of the penumbra larger than the...

Suppose you have a pinhole camera which is 5 cm long between the hole and the film. You photograph a 1 cm long bug that is 10 cm in front of the pinhole. How long will the image of the bug be on the film?

A thin film of oil strongly reflects blue light. Should the oil be made thicker or thinner to reflect red light?

Thank you!

the blue light is the shorter wavelength. What does that mean in regards to this?

Thank you!