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.
Delhi first became the capital of a kingdom under whom?
Which among the following is the tallest tree species in the world?
_______ organization headquarter is located at Davos, Switzerland?
Chutka Atomic Power Plant is situated in which of the following states?
Which organization announced the reduction of the Initial Public Offer listing timeline from T+6 days to T+3 days, effective from December 2023?
As of October 2020, Kim Jong-un is the 'Supreme Leader' of which country?
When was the Ayushman Bharat Digital Mission launched?
Dugong is the key fauna of which Biosphere Reserve?
Which entity is the sole nationalized reinsurance company in the Indian insurance market?
Who among the following wrote the book "India Wins Freedom', giving an insider's view of India's freedom struggle?