Item 2 Part A IP Halogen Lightbulbs Modern halogen lightbulbs allow their filame

Question

Item 2 Part A IP Halogen Lightbulbs Modern halogen lightbulbs allow their filaments to operate at a higher temperature than the filaments in standard incandescent bulbs. For comparison, the filament in a standard lightbulb operates at about 2900 K, whereas the filament in a halogen bulb may operate at 3400 K. Which bulb has the higher peak frequency? standard lightbulb halogen lightbulb Submit My Answers Give Up Correct Part B Calculate the ratio of peak frequencies (hal / td ) Express your answer using two significant figures. 11.11 hal Submit My Answers Give Up Incorrect; Try Again; 2 attempts remaining

Explanation / Answer

solution:

1) halogen bulb since fpeak proportional to temperature(T)

so f will be more for halogen bulb case

2)

fhalo/fstand =Thalo/Tstand =3400/2900 =1.172 ans 2

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