Questions
A fish looks upward at an unobstructed overcast sky. What total angle does the sky appear to subtend? (Take refractive index of water as ).
detailed solution
Correct option is B
The fish can observe the sky only if refraction takes place, then the image of sky can not be observed. and . So angle subtended is equal to 90°Talk to our academic expert!
Similar Questions
A ray of light travels from an optically denser to rarer medium. The critical angle for the two media is c. The maximum possible deviation of the ray will be
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