Used in solar furnace -
- APlane mirror
- BConcave mirror
- CConvex mirror
- DConcave lens
- ENone of the above/More than one of the above
Show answer and explanation
Correct answer: (b) Concave mirror
Explanation
A solar furnace uses a large concave mirror (or many mirrors) to bring the Sun's rays together at its focus, producing very high temperatures.
Solar cookers use concave mirrors in the same way.