1
Question
As shown in the figure, a light source is placed in a dark room. A glass block is placed between the wooden sheet (having a triangular hole) and the screen. Identify the correct projection of light on the screen.
As shown in the figure, a light source is placed in a dark room. A glass block is placed between the wooden sheet (having a triangular hole) and the screen. Identify the correct projection of light on the screen.
Open in App
Solution
The correct option is B
In this case, the wooden sheet will cast a black shadow except for the triangular region through which the light will pass. Since the blue glass block is translucent, only some amount of white light will pass through it and emerge as blue light onto the screen.
In this case, the wooden sheet will cast a black shadow except for the triangular region through which the light will pass. Since the blue glass block is translucent, only some amount of white light will pass through it and emerge as blue light onto the screen.
Suggest Corrections
0
Similar questions
View More
Join BYJU'S Learning Program
Explore more
Join BYJU'S Learning Program
