Question

the
MB
1. In which mode of heat transfer no medium is required? Ha
2What is the reason for making fire-fighting suits bright and shiny!
3. Name one natural phenomenon which occurs due to the convection current in
Which of the two Celsius or Fahrenheit, scale is more convenient to use?
5. What is the normal temperature of human body? 37 C
Shopkeepers selling ice blocks usually cover them with jute sacks. Explain why.
7. To keep her soup warm Paheli wrapped the container in which it was kept with a wool
cloth. Can she apply the same method to keep a glass of cold drink cool? Give reason
your answer.
8. In a mercury thermometer, the level of mercury rises when its bulb comes in contact
hot object. What is the reason for this rise in the level of mercury?
9. A circular metal loop is heated at point O as shown in Figure.(i) in which direction w
heat flow in the loop? (ii) In which order the pins at points P,Q and R fixed with the
wax fall if points O, P, Q and R are equidistant from each other?​

Answer 1

Answer:for fun

Explanation: