SOF National Science Olympiad (NSO/ISO)
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NSO Level 1
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Sample
Which of these is a renewable source of energy?
Explanation
Explanation
Sunlight is naturally replenished and can be used as solar energy.
PRO TIP
Re-check your working by substituting the answer back into the original question.
Related Questions
A student records the potential difference (V) across a resistor and the current (I) through it:
V (volt): 2, 4, 6, 8
I (ampere): 0.5, 1.0, 1.5, 2.0
Find the resistance of the resistor and the power consumed when V = 8 V.
A child has thin arms and legs, a swollen belly and swelling of the feet (oedema), and his diet is rich in starch but very poor in protein. He is most likely suffering from a deficiency of: