Physics
(a) Out of the three rays (I, J, H) shown in the diagram, which ray will suffer Total Internal Reflection while inside the prism? (Critical angle of the prism is 42°.)
(b) Copy the diagram to complete the path of the ray which you have named in (a) till it comes out of the prism.
Related Questions
A current flows through a metallic conductor for a long period of time. State the change you would expect in its:
(a) Resistance
(b) Resistivity
A rectangular glass block of refractive index 1.5 has an air bubble trapped inside it as shown in the diagram. When seen from the surface AB, it appears to be 4 cm deep.
(a) Calculate the actual depth of the air bubble from the surface AB.
(b) For which colour of light, blue or yellow, the apparent depth will be greater?
(c) Turning the glass block upside down, DOES NOT change the apparent depth of the air bubble. State True or False.
(a) An object is placed at 2F position of a convex lens. Draw a ray diagram showing the formation of the image.
(b) How will the size of the image change if we, ONLY replace the lens in the above arrangement with another lens of a greater focal length?