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  • Delhi Police Exam General Knowledge Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of General Knowledge General Physics for Delhi Police Exam student. This free online General Knowledge study material for Delhi Police Exam will help students in learning and doing practice on General Physics topic of Delhi Police Exam General Knowledge. The study material on General Physics, help Delhi Police Exam General Knowledge students to learn every aspect of General Physics and prepare themselves for exams by doing online test exercise for General Physics, as their study progresses in class. Kidsfront provide unique pattern of learning General Knowledge with free online comprehensive study material and loads of Delhi Police Exam General Knowledge General Physics exercise prepared by the highly professionals team. Students can understand General Physics concept easily and consolidate their learning by doing practice test on General Physics regularly till they excel in General Knowledge General Physics.


General Physics
The cloud float in the atmosphere because of their low

a) Temperature
b) Velocity
c) Pressure
d) Density



Answer
Solution
Correct Answer Is : Temperature
Solution Is : The cloud float in the atmosphere because of their low temperature
The change of a solid into vapour directly is called

a) Vaporization
b) Freezing
c) Melting
d) Sublimation



Answer
Solution
Correct Answer Is : Sublimation
Solution Is : The change of a solid into vapour directly is called sublimation
The audible frequency range of a human ear is

a) 20 Hz to 200 Hz
b) 2 Hz to 20 Hz
c) 200 Hz to 2000 Hz
d) 20 Hz to 20000 Hz



Answer
Solution
Correct Answer Is : 20 Hz to 20000 Hz
Solution Is : The audible frequency range of a human ear is 20 Hz to 20000 Hz
The wavelength of X-rays is of the order of

a) 1 mm
b) 1 cm
c) 1 micron
d) 1 angstrom



Answer
Solution
Correct Answer Is : 1 angstrom
Solution Is : The wavelength of X-rays is of the order of 1 angstrom
Who discovered wireless communication ?

a) Hertz
b) Maxwell
c) Marconi
d) Newton



Answer
Solution
Correct Answer Is : Marconi
Solution Is : Marconi discovered wireless communication.
Q.Which instrument is used for the measurement of angular distances between two objects?

a) Sexant
b) Telstar
c) Spherometer
d) Refractometer



Answer
Solution
Correct Answer Is : Sexant
Solution Is : (A)Telstar instrument is used for the measurement of angular distances between two objects.
The Outer part of a Railway track near the bend or a curve is generally raised

a) To prevent the fast wear and tear of the railway track.
b) To produce the necessary centripetal force
c) To produce the necessary gravitational force
d) To enhance the speed of train



Answer
Solution
Correct Answer Is : To produce the necessary centripetal force
Solution Is : (B) The Outer part of a Railway track near the bend or a curve is generally raised to produce the necessary centripetal force.
Q.What are Sunspots?

a) These are great flames of gases which shoot out of the sun
b) These are cooler areas which move about on the sun`s surface and show up as dark spots.
c) These are areas of the Sun where the heat is most intense which shown up as dark spots
d) These are areas of the Sun where nuclear fission takes place.



Answer
Solution
Correct Answer Is : These are cooler areas which move about on the sun`s surface and show up as dark spots.
Solution Is : (B) Sunspots are cooler areas which move about on the sun`s surface and show up as dark spots.
The number of images of an object formed by two mirrors inclined at an angle of 60° is

a) 6
b) 5
c) 4
d) 7



Answer
Solution
Correct Answer Is : 5
Solution Is : (B) The number of images of an object formed by two mirrors inclined at an angle of 60° is 5
What is the technology used in a compact disc?

a) Electrical
b) Laser
c) Electro magnetic
d) Aeronautical



Answer
Solution
Correct Answer Is : Laser
Solution Is : Laser technology is used in compact discs to store and retrieve data .
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