A piece of blue glass heated to a high temperature and a piece of red glass at room temperature are taken inside a dimly lit room. Then

1) Blue piece looks blue and red piece looks as it is

2) Red piece looks brighter red and blue piece looks as it is

3) Blue piece shines brighter than red piece

4) Both pieces look as they are

Navjyot Kalra , 11 Years ago

Grade 10