Physicshard · Past Paper
Which of the following is used in a solar furnace?
AConvex mirror
BConcave mirror
CPlane mirror
DConcave lens
✓ Correct Answer: B — Concave mirror
Concave mirrors can focus large amounts of solar radiation into a small area to produce heat.
Share this question
More from Physics
- When a body is thrown upwards, the work done by gravity is:
- What is the standard frequency of AC supply in Nepal?
- What is the weight of an object of mass 50kg in a lift falling freely?
- If a man pushes a wall and the wall does not move, the work done is:
- Relative density has which of the following units?