SOF National Science Olympiad (NSO/ISO)
·
NSO Level 1
·
2017
.
Sample
Practice variant 2: Which mirror is commonly used as a rear-view mirror in vehicles?
Explanation
Explanation
A convex mirror provides a wider field of view.
PRO TIP
Re-check your working by substituting the answer back into the original question.
Related Questions
In the food chain Grass → Grasshopper → Frog → Snake → Eagle, the producers (grass) contain 10,000 J of energy. Following the 10% law, how much energy is available to the snake?