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10Heat from the sun reaches the Earth by conduction.
Radiation does not require any material medium.
Heat is transmitted in vacuum only by radiation.
The sun emits only heat energy.
Radiation transfers energy in the form of waves.
Convection cannot take place in empty space.
Water waves transfer water molecules from one end to another.
Waves are produced due to vibration of molecules.
Ripples in a pond spread outward from the point of disturbance.
A wave needs matter to carry energy.
Percentage: 0%
Heat transfer without any medium is called
Which form of energy travels from the sun to Earth?
Heat travels in vacuum by
Radiation energy is transmitted in the form of
Which example shows radiation of heat?
Water waves are formed due to
When a stone is thrown into a pond, what is formed?
During water wave motion, water molecules
Which one does NOT require a medium?
Waves spread from the point of
Transfer of heat without a medium is called ______.
Heat from the sun reaches the Earth through ______.
Radiation transfers energy in the form of ______.
Heat transfer in vacuum is possible only by ______.
The sun emits ______ and light energy.
Ripples formed in water are called ______ waves.
Waves are produced due to ______ of molecules.
Water molecules move ______ and down during wave motion.
Waves spread from the point of ______.
In wave motion, molecules remain in their ______.