A water wave of frequency 20hz has a velocity Of 24ms¹ it enters the shallow region at an angle of incident of 45 and speed recluces to 18ms² calculate (A) Refractive index (b)Angle of refraction (c) wave length of water wave in the shallow region. .

Which safety measures should you follow during a thunderstorm? check all that apply. (a) avoid touching anything that conducts electricity. (b) avoid touching a person who has been struck by lightning. (c) go outside. (d) keep your computer turned off. (e) stay out of water. (f) stay inside.

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

In the circuit shown below, with each bulb holding a resistance of 60 ohms, how many amps of current are flowing? express your number as a decimal.