List of top Questions asked in Andhra Pradesh Polytechnic Common Entrance Test

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

Pick the false statement on the magnetic field lines.

The SI units of magnetic flux and magnetic flux density respectively are

The development of electromagnetism lead to the invention of

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 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

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

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 graph between potential difference (on X-axis) and current (on Y-axis) for a conductor gives a straight line

Match the following:

Physical quantity		SI Unit
i	Electric current	a	Coulomb
ii	Electric charge	b	Volt
iii	Electric potential	c	Ampere

The materials which have resistivity in the order of 10¹⁴ to 10¹⁶ Ω-m are

The material suitable for making heating element of electric iron is

Pick the false statement from the following :

1 joule/ 1 coulomb =

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

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?

A light ray travels from air to glass with an angle of incidence of 45°. The possible angle of refraction is