Question
A periscope works on the principle of
Solution
Total internal reflection (TIR) is the phenomenon that involves the reflection of the entire incident light off the boundary. Glass prisms can be shaped to produce total internal reflection and as such are employed in binoculars, periscopes, telescopes, and other optical instruments. For the prism used in periscope, the light rays hit the inside surface at an angle greater than the critical angle of 42 and hence they are internally reflected.
Which of the following contains Grapes?Â
Who likes Black?
Which of the following combination is true?
Statements:
Only a few Male are Boy.
Some Boy are Female.
Only Female are Girl.
Conclusion
I) Some Female are Boy.
II) Some Girl are Male.
Which of the following is true with regarding to L?
___ lives immediately above D in the same type of flat.
Which of the following floors are vacant?
Four of the following five are alike in a certain way based on the given arrangement and thus form a group. Which is the one that does not belong to tha...
Who celebrated his birthday in the beginning of the month?
Which of the following person likes Puma Shoes?
