The image of an object formed by the device is always virtual and small.The device may be --------

Options :
  1. a glass plate
  2. concave lens
  3. concave mirror
  4. none of the above
Answer and Explanation :-

Answer: Option 2

Explanation:

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Nunca podemos juzgar la vida de los demás, porque cada uno sabe de su propio dolor y de su propia renuncia. Una cosa es suponer que uno está en el camino cierto otra es suponer que ese camino es el único.
-Paulo Coelho By the River Piedra I Sat Down and Wept