List of top Questions asked in AP POLYCET

For the children below the age of 10 years, the value of least distance of distinct vision is about
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
The magnetic flux passing through a unit area perpendicular to the field is called
Pick the false statement on the magnetic field lines.
The development of electromagnetism lead to the invention of
When freely suspended, the compass needle come to rest along the geographic
The SI units of magnetic flux and magnetic flux density respectively are
The defect of vision in which the people cannot see the objects beyond far point is called
For a healthy eye, the accommodation of eye lens will be in the range of
A current of 1·5 A passes through a conductor of resistance 20Ω. The potential difference across it is
The materials which are useful in making of diodes, transistors and integrated chips (ICs) etc. are
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
The material suitable for making heating element of electric iron is
Match the following:
Physical quantitySI Unit
iElectric currentaCoulomb
iiElectric chargebVolt
iiiElectric potentialcAmpere
Pick the false statement from the following :
The graph between potential difference (on X-axis) and current (on Y-axis) for a conductor gives a straight line
1 joule/ 1 coulomb =
The materials which have resistivity in the order of 1014 to 1016 Ω-m are
According to laws of refraction, which of the following lie in the same plane?
A convex lens gives an image of the same size of the object when the object is placed
The speed of light in benzene is 2×108 m/s. Its refractive index is (speed of light in vacuum = 3x108m/s)
A focal plane is
Pick the correct answer from the following two statements:
a) A lens has at least one curved surface.
b) A plano-concave lens has two curved surfaces.
Which of the following lens is used as magnifying lens?