List of top Physics Questions

The device used to measure the potential difference or electromotive force is
Pick the false statement on the metallic conductors.
Which of the following materials obeys the Ohm's law?
An amount of charge passing through any cross-section of the conductor in 1 second is called
The human eye functions on the principle of sensation of
The distance between the focal point and the optic centre gives the
A lens is made up of
If i and r are the angle of incidence and angle of refraction, then the equation for the Snell's law is
If x and y are the temperatures of the hot and cold water samples respectively and z is the final temperature of their mixture, then
When freely suspended, the compass needle come to rest along the geographic
The magnetic flux passing through a unit area perpendicular to the field is called
The development of electromagnetism lead to the invention of
The SI units of magnetic flux and magnetic flux density respectively are
Pick the false statement on the magnetic field lines.
For the children below the age of 10 years, the value of least distance of distinct vision is about
Dioptre is the unit of
A person cannot see the objects placed between near point and the point of least distance of distinct vision. His defect of vision can be corrected by using
For a healthy eye, the accommodation of eye lens will be in the range of
The defect of vision in which the people cannot see the objects beyond far point is called
The materials which are useful in making of diodes, transistors and integrated chips (ICs) etc. are
A current of 1·5 A passes through a conductor of resistance 20Ω. The potential difference across it is
Pick the false statement from the following :
1 joule/ 1 coulomb =
The graph between potential difference (on X-axis) and current (on Y-axis) for a conductor gives a straight line
The materials which have resistivity in the order of 1014 to 1016 Ω-m are