Why it is impossible to reach absolute zero?
a) because molecules are always stationary
b) because molecules are always moving
c) because molecules are always charged
d) because molecules are always neutral
Heat:
Heat is the transfer of kinetic energy from one
medium or object to another, or from an energy source to a medium or object.
Which of the
following is a form of energy?
a) temperature
b) light
c) pressure
d) heat
Heat is a form of energy that flows from…… to ………body.
a) colder - hotter
b) hotter - hotter
c) colder - colder
d) hotter - colder
What will happen when water in a pot is heated?
a) the kinetic energy of molecules remains same
b) the kinetic energy of molecules increases
c) the kinetic energy of molecules decreases
d) the kinetic energy of molecules is independent of temperature
When temperature of a body increases then it …….heat.
a) loses
b) absorbs
c) both a and b
A correct
by at 2025-03-18 02:08:36