General Principles in the Working of Periscope NDA Questions

NDA Physics

General Principles in the Working of Periscope MCQ Questions


13.
In what type of vehicle might a periscope be used for external observation?
A.
Airplane
B.
Submarine
C.
Car
D.
Train
😑 View Answer Rough Work Error
ANSWER :
B. Submarine
14.
What is a civilian application of periscope-like technology?
A.
Telecommunication
B.
Backup cameras in cars
C.
Solar panels
D.
Medical imaging
😑 View Answer Rough Work Error
ANSWER :
B. Backup cameras in cars
15.
What material is commonly used for the body of a periscope?
A.
Wood
B.
Plastic
C.
Metal
D.
Glass
😑 View Answer Rough Work Error
ANSWER :
C. Metal
16.
Which military vehicle commonly uses a periscope for observation?
A.
Tank
B.
Helicopter
C.
Jet
D.
Submarine
😑 View Answer Rough Work Error
ANSWER :
A. Tank
17.
How does a periscope help in trench warfare?
A.
Navigating trenches
B.
Observing enemy positions without exposure
C.
Signaling allied forces
D.
Repairing damaged trenches
😑 View Answer Rough Work Error
ANSWER :
B. Observing enemy positions without exposure
18.
What is a significant disadvantage of traditional periscopes?
A.
Expensive to produce
B.
Requires electrical power
C.
Limited field of view
D.
Complex to operate
😑 View Answer Rough Work Error
ANSWER :
C. Limited field of view