Room temperature on the Kelvin scale is about Question 6 options: Question 7 (1

Question

Room temperature on the Kelvin scale is about

Question 6 options:

Question 7 (1 point)

Energy transfer by convection is primarily restricted to

Question 7 options:

Question 8 (1 point)

The pupil of your eye is

Question 8 options:

Question 9 (1 point)

Substances absorb heat energy by the process of

Question 9 options:

Question 10 (1 point)

Steam burns are more damaging than burns caused by boiling water because steam

Question 10 options:

A) 100 K. B) 400 K. C) 200 K. D) 300 K. E) more than 400 K. ,

Explanation / Answer

6. Room temperature is around 25 to 30 deg celsius

30 C = 30 + 273 = 303 K

So answer would be 300 K Option D

7. No explanation.

option B. fluids

8. Because our eyes absorbs the light to see

option B. a net absorber of radiant energy.

9. Substances absorb heat energy by the process of radiation, convection and conduction.

option D. All of these

10. Because phase change requires a lot of energy, so steamhas more energy per kilogram than boiling water and also it gives up additional energy when condenses

Option C, Choices A and B are both correct.

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