Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Physics Mcqs
→
Two identical metal balls with charges + 2Q and – Q are separated by some distance, and exert a force F on each other. They are joined by a conducting wire, which is then removed. The force between them will now be_________?
Related MCQs
A million electron are added to a pith ball. Its charge is________?
A cube of side 5 cm has a charge of 6 C. The surface density of charge is_________?
In bringing an electron towards the second electron, the electrostatic potential energy of the system
How many electrons per second constitute a current of one micro ampere?
A piece of copper and a piece of germanium are cooled from the room temperature down to 77 K.
Two parallel beams of positrons moving in the same direction will________?
An emf of 5 volt is produced by a self inductance, when the current changes at a steady rate from 3 to 2 ampere in 1 millisecond. The value of self inductance is_______?
The core of a transformer is laminated to reduce energy losses due to__________?
Which of the following is true ?
Electric current in a solid metal conductor is caused by the movement of what ?
A force On particle is conservative if:________?
A Stone thrown from the top of a tall building follows a path that is:
The speed of light will be minimum while passing through ?
Farad is the unit of__________?
The efficiency of the Carnot engine working between 150°C and 50°C is__________?
Which instrument is suitable to measure the internal diameter of a test tube?
A force applied on a body through the string is called_________?
Gravitation force of moon is_________?
Gravitation force of sun is__________?
Gravitation force of earth is__________?
The centripetal acceleration produced in a rotating body is commonly due to change on_________of body?
The mass-energy relation is the outcome of__________?
Mach number is used in connection with the speed of__________?
Rutherford in his atomic model could not explain behavior of __________ ?
Joule Thomson effect is based upon __________ ?
Medium which sends signal from source to destination is known as ________ ?
Newton’s Third Law of Motion?
Oil rises up to wick in a lamp because__________?
Which one of the following is not a radioactive element ?
The most suitable unit for expressing nuclear radius is_______?
The turning effect of force is called_________?
Which of the following waves have smallest velocity in vacuum?
Who were the pioneers of Physics?
Which one of the following is not vector quantity _______?
The least count of Vernier caliper is ________ containing 10 Vernier scale divisions?
Which of the following is not derived quantity________?
The symbol of the prefix used for Mega is_______?
Name the SI unit having the symbol cd?
Which of the following branch of Physics deals with the internal structure of earth?
The average acceleration caused by gravity per second is__________?
A stone is thrown upward from the top of a 59.4m high cliff with an upward velocity component of 19.6m/s how long is the stone in the air?
The value of γ for diatomic gas is__________?
In which process all the heat supplied is converted into work done ?
The performance of a refrigerator is described by__________?
The unit of entropy is__________?
Which quantity is a state function__________?
Petrol engine is a__________?
The purpose of flywheel in the engines is__________?
For the successful operation of Heat engine which condition should be met ?
The work done in the isochoric process is__________?
Adiabatic process is also called__________?
Two identical metal balls with charges + 2Q and – Q are separated by some distance, and exert a force F on each other. They are joined by a conducting wire, which is then removed. The force between them will now be_________?
A. F
B. F/2
C. F/4
D. F/8
Submitted by:
Tauseef Ali
Correct Answer:
F
✔
Last Updated:
May 22, 2021