List of top Physics Questions asked in TS POLYCET

Convex lens is used in the microscope due to the following reason

The radius of curvature of a spherical mirror is 16 cm. What is the focal length ?

Find the current (I) in the following circuit diagram

The magnetic force on a current carrying wire placed in a uniform magnetic field if the wire is oriented perpendicular to the magnetic field is

In a circuit two or more resistors are connected in parallel. Then the following quantity is same for all the resistors

Algebraic sum of potential differences in a closed loop is

Find the length of the conductor which is moving with a speed of 5 m/s in a direction perpendicular to the magnetic field of induction 2 tesla if it induces an emf of 10 V between the ends of the conductor.

According to 'Right hand thumb rule', if thumb of a right hand indicates direction of current passing through a straight conductor, then curled fingers of the same hand represent

Electric current carrying solenoid behaves like

The kilowatt hour is the unit of

Which of the following pair of devices measure the same physical quantity?

According to which law 'Induced emf generated in a closed loop is equal to the rate of change of magnetic flux passing through it' ?

Dentist uses this mirror to examine teeth of patients.

SI unit of resistivity is

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.

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

Angle of vision of a healthy adult human is

In an eye, muscular diaphragm between aqueous humour and the lens is called

What is lens maker's formula?

The focal length of a lens depends on

The minimum distance of an object from the pole to obtain real image in case of a concave mirror is

In series connection of resistors, if one of the resistors breaks down, then

Which of the following relation represents Ohm's law?