Question: Physics questions... An object is cooled from 87 o C to -23 o C. What is the change in temperature in the Kelvin scale? 110

Physics questions...

An object is cooled from 87 ^oC to -23 ^oC. What is the change in temperature in the Kelvin scale?

110 K

64 K

337 K

383 K

A temperature of 68 F is equal to

20 K

293 K

373 K

341 K

The boiling point of oxygen is -183C. This temperature is also ____.

-329.4 F

162.6 R

456 K

-83.9 F

Which of the following represents the largest temperature interval?

40 F

30 K

50 R

20 C

A 50 W lightbulb is operating at a temperature of 675 ^oC. What is the surface area of the filament if its emissivity is 0.65?

16.8 cm

65.4 cm

1.43 cm

34.8 cm

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