Physics - Section 2
Practice and master this topic with our carefully crafted questions.
Welcome to Online General Knowledge section in LearnFrenzy, which is important for SSC, UPSC, Civil Service exams and other competitive exams. We have created Some questions related to General Science(Physics) !!!
The ton is a unit of measure. 1 ton is equal to 2000lb
In Magnetic compass, a magnetic needle which always direct in North-South (N-S) direction.
In an electric motor, the electric current and magnetic field exist (which are the causes), and they lead to the force that creates the motion (which is the effect), and so the left hand rule is used.
In ophthalmoscope concave mirror is used to examine eye, ear, nose by doctors. Concave mirror is used in a shaving mirror and also used as a reflector for the head lights of a vehicle, search light
Upthrust is defined as the upward force on the object provided by the liquid because the object has “displaced” some of the fluid.
Fleming’s right-hand rule (for generators) shows the direction of induced current when a conductor moves in a magnetic field. It can be used to determine the direction of current in a generator’s windings.
Heavy water is colorless, odourless and tasteless mobile liquid.. Higher viscosity of heavy water is responsible for lower solubility of ionic solids like NaCl and smaller mobility ions.
Emission Spectra of a chemical element is the spectrum of frequencies of electromagnetic radiation emitted due to an atom’s electrons making a transition from a higher energy state to a lower energy state
The hot air balloon rises because hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air.
Froude number (Fr) is a dimensionless number defined as the ratio of the flow inertia to the external field