MEDIUM
7th ICSE
IMPORTANT
Earn 100

Why do we prefer to wear white or light coloured clothes in summer and black or dark coloured clothes in winter?

Important Questions on Heat

MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 49
The bottom of a cooking utensil is painted black. Give the reason.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 50
Draw a labelled diagram of a thermos-flask. Explain how the transfer of heat by conduction, convection and radiation is reduced to a minimum in it.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 1
The temperature of a body rises by 1° C. What is the corresponding rise on the (a) Fahrenheit scale (b) Kelvin scale?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 2
The temperature rises by 18° F. What is the rise on the Celsius scale ?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 3
Convert 5° F to the Celsius scale.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 4
Convert 40° C to the (a) Fahrenheit scale (b) Kelvin Scale.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 5
Convert – 40° F to the Celsius scale.