General Principles in the Working of Periscope NDA Questions

NDA Physics

General Principles in the Working of Periscope MCQ Questions


1.
Who is generally credited with inventing the modern periscope?
A.
Thomas Edison
B.
Simon Lake
C.
Sir Howard Grubb
D.
Jules Carpentier
😑 View Answer Rough Work Error
ANSWER :
D. Jules Carpentier
2.
In which year was the modern periscope invented?
A.
1872
B.
1894
C.
1902
D.
1915
😑 View Answer Rough Work Error
ANSWER :
C. 1902
3.
Which principle does a periscope primarily rely on?
A.
Refraction
B.
Reflection
C.
Diffraction
D.
Absorption
😑 View Answer Rough Work Error
ANSWER :
B. Reflection
4.
What is the angle between mirrors in a basic periscope?
A.
30 degrees
B.
45 degrees
C.
60 degrees
D.
90 degrees
😑 View Answer Rough Work Error
ANSWER :
B. 45 degrees
5.
Who improved the periscope design for submarines?
A.
Thomas Edison
B.
Johannes Kepler
C.
Simon Lake
D.
Jules Carpentier
😑 View Answer Rough Work Error
ANSWER :
C. Simon Lake
6.
What component collects light from the target in a periscope?
A.
Eyepiece
B.
Objective lens
C.
Mirror
D.
Prism
😑 View Answer Rough Work Error
ANSWER :
B. Objective lens