List of top Physics Questions asked in TS POLYCET

What is the focal length of a plano-convex lens if 'R' is the radius of curvature and ‘n’ is the refractive index?
The magnification of a concave lens is always
Direction of electric current and direction of electrons in a conductor are
Which of the following is true in case of a concave lens?
Obstruction to the motion of electrons in a conductor is called
Which of the following is the equation for given circuit as per Kirchoff's loop law?
Which of the following is the equation for given circuit as per Kirchoff's loop law
Usage of fuse in a circuit prevents from
In series connection of resistors, if one of the resistors breaks down, then
Which of the following relation represents Ohm's law?
A bulb is marked 60 W and 240 V. Find the resistance in the bulb.
SI unit of resistivity is
Focal length of the eye lens changes with the help of
For a convex lens magnification of virtual image is possible only when the object distance is
What is lens maker's formula?
The minimum distance of an object from the pole to obtain real image in case of a concave mirror is
The focal length of a lens depends on
The defect by which some people can not see near objects clearly but can see distant objects is called
If a convex lens is placed in water, it's focal length
Parallel beam of light after passing through a convex lens pass through a point called
Every lens has ____ focal points.
If the focal length of a spherical mirror is 10 cm, what is the value of radius of curvature?
Which of the following is the formula for magnification in case of spherical mirror?
When a copper wire is connected to a battery the electric field in the wire is
The alloy made of Cu, Mn, Ni is
Formula used when a light ray enters a medium of refractive index n2 from a medium of refractive index n1 at curved surface with radius of curvature R is