♡ Login
Home
Previous Papers
★
MCQs
General Science
Everyday Science
A Periscope works on the principle of- ...
Que.
A Periscope works on the principle of-
A.
Reflection
B.
Refraction
C.
Deffraction
D.
Total internal reflection
Right Answer is :
✓ D. Total internal reflection
⚑ Report
Views 👍 :441
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ A moving body has ...
➣ The S.I. unit of electric charge is- ...
➣ Which of the following elements is an ...
➣ Biopsy is done on ...
➣ Muddy warer is an example of : ...
➣ Light travels in straight lines This property ...
➣ What is the colour of sulphur ...
➣ Which is not a matter ? ...
➣ Which of the following is a household ...
➣ Organic food is supposed to be better ...
❖ Take a qick MCQ Test on
➤ Environment Science
➤ Everyday Science
➤ Inventions and Discoveries
➤ Miscellaneous
➤ Various Sciences
➤ Computer Awareness
➤ Scientific Instruments
➤ Research Institutions