List of top Physics Questions asked in TS POLYCET

A prism is made with a material of refractive index \( \mu = 2 \). The angle of prism is 60°. The angle of minimum deviation produced by the prism is:
An air bubble in water behaves like:
When a convex lens is placed in water, its focal length:
A watch repairer uses a magnifying glass to see the tiny parts of a watch. Which of the following lenses is used?
The focal plane of a lens is a plane:
Which of the following is the lens maker's formula?
Which of the following works on the principle of electromagnetic induction?
The S.I. unit of electrical resistance is
Formula for specific resistance is
Calculate the resultant resistance in the following circuit.
resultant resistance
The focal length of double concave lens having refractive index 1.5 kept in air with two spherical surfaces of radii \( R_1 = 20 \, \text{cm} \) and \( R_2 = 80 \, \text{cm} \) is
The focal length of a lens having power 4D is
The magnetic force exerted on a 3 m length conductor carrying 2A current when placed in a uniform magnetic field 0.4 T at an angle 30° is
The focal length of a concave mirror is 20 cm. At what distance the object is placed to obtain the virtual image?
The defect in eye vision that people cannot see objects at long distance is
The tangent drawn to the magnetic field line at a point gives
Concave mirrors can produce
Convex mirror is used as
In which one among the following cases the convex lens does not give a real image?
A light ray passing along the principal axis of a lens is
The formula for refractive index of a prism is
A convex lens kept in a medium with refractive index less than the refractive index of the lens behaves like
The appearance of red colour of the Sun during Sunrise and Sunset is due to
The process of an eye lens to adjust its focal length to form a sharp image on retina is called
The least distance of distinct vision of a healthy person is