Light - Study Mode

[#271] What does prism do?
Correct Answer

(C) It scatter the light passing through it

[#272] When an object is placed at the 2F 1 position of a convex lens, what is the size of the image?
Correct Answer

(A) equal to the size of object

[#273] Optical fibres, though bent in any manner, allows light to pass through. What is the inference that one can draw from it?
Correct Answer

(D) Light can travel through the fibres due to multiple total internal reflection

[#274] Which one of the following is the natural phenomenon based on a simple periscope works?
Correct Answer

(A) Reflection of light

[#275] The amount of light entering into eye can be controlled and regulated by . . . . . . . .
Correct Answer

(C) pupil