HARD
7th CBSE
IMPORTANT
Earn 100

Explain how conduction of heat occurs in a solid metal rod.

Important Questions on Transfer of Heat

HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 5 - Transfer of Heat>Exercises>Q 2
Why are liquids and gases such poor conductors of heat?
HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 5 - Transfer of Heat>Exercises>Q 3

What is the advantage of using a copper bottom in vessels? Why are their handles made of wood?

HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 5 - Transfer of Heat>Exercises>Q 4
Explain how convection occurs.
HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 5 - Transfer of Heat>Exercises>Q 5
What causes land and sea breezes?
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 5 - Transfer of Heat>Exercises>Q 6
Why is it good to have ventilators at the top of the walls?
HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 5 - Transfer of Heat>Exercises>Q 7
Draw a labelled diagram of a thermos flask. Explain how it minimises loss of  by conduction, convection and radiation.
HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 5 - Transfer of Heat>Exercises>Q 1
Why does a metal tumbler feel warmer to the touch when compared to a plastic tumbler, when both are filled with hot water at the same temperature?
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 5 - Transfer of Heat>Exercises>Q 2
Why can heat be conducted through solids, liquids and gases but not through vacuum?