List of top Physics Questions asked in TS POLYCET

Usage of fuse in a circuit prevents from
The type of mirror used in solar cooker is
SI unit of resistivity is
Which of the following is true in case of a concave lens?
Which of the following relation represents Ohm's law?
What is the focal length of a plano-convex lens if 'R' is the radius of curvature and ‘n’ is the refractive index?
The minimum distance of an object from the pole to obtain real image in case of a concave mirror is
The defect by which some people can not see near objects clearly but can see distant objects is called
A person is advised to use 5D lens. What is its focal length?
A bulb is marked 60 W and 240 V. Find the resistance in the bulb.
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?
Parallel beam of light after passing through a convex lens pass through a point called
If a convex lens is placed in water, it's focal length
Every lens has ____ focal points.
\(4 \Omega, 8 \Omega, R\) resistors are connected in series. Resultant resistance is \(20 \Omega\). Then \(R=?\)
Least distance of distinct vision is_____
Focal length of a lens is 25 cm. Its power 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
Conductivity =
When how much current flows in the fuse, it melts ?
The resistance of human body varies between
Focal length of plano-convex lens of refractive index n and radius of curvature R is
A convex lens form image of an object at infinity. Object is at
The alloy made of Cu, Mn, Ni is