Which causes a rainbow in the sky?

a. sunlight (white light) is refracted as it passes through different layers in the atmosphere.

b. sunlight (white light) refracts when it passes through droplets of water in the atmosphere.

c. sunlight (white light) is reflected as it passes through different layers in the atmosphere.

d. sunlight (white light) reflects when it passes through dust particles in the atmosphere.

What is tan(61)? а. 1.80 b. 0.49 c. 0.61 d. 0.87

The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.