Question:
What process is when light bends as it enters a different medium?
Answer:
Refraction
Question:
Land and sea breezes are due to ________.
Answer:
Convection of heat
Question:
In which device is a split ring commutator used?
Answer:
DC motor
Question:
What is the source of sun's radium energy?
Answer:
Nuclear fusion
Question:
A device used for measuring the depth of the sea is called _________.
Answer:
Fathometer
