Question 3 of 9 < View Policies Current Attempt in Progress A sodium lamp emits light at the power P = 70.0 W and at the
Posted: Sat Jul 09, 2022 12:22 pm
- Question 3 Of 9 View Policies Current Attempt In Progress A Sodium Lamp Emits Light At The Power P 70 0 W And At The 1 (75.59 KiB) Viewed 49 times
- Question 3 Of 9 View Policies Current Attempt In Progress A Sodium Lamp Emits Light At The Power P 70 0 W And At The 2 (49.83 KiB) Viewed 49 times
.Question 3 of 9 < View Policies Current Attempt in Progress A sodium lamp emits light at the power P = 70.0 W and at the wavelength λ = 559 nm, and the emission is uniformly in all directions.(a) At what rate are photons emitted by the lamp? (b) At what distance from the lamp will a totally absorbing screen absorb photons at the rate of 1.00 photon /cm²s? (c) What is the rate per square meter at which photons are intercepted by a screen at a distance of 1.30 m from the lamp? (a) Number (b) Number (c) Number Units Units -/1 = : Units
Question 8 of 9 < View Policies Current Attempt in Progress A particle of mass 4.93 × 10-27 7 kg has a potential energy of 4.26 x 10-15 J, independently of its position. If its energy is 6.60 × 10-15 J, what is its angular wave number? Number i -/1 = : Units