List of top Physics Questions asked in TS POLYCET

A convex lens form image of an object at infinity. Object is at

In our eye cones identify

With the help of _____eye-lens changes its focal length.

\(4 \Omega, 8 \Omega, R\) resistors are connected in series. Resultant resistance is \(20 \Omega\). Then \(R=?\)

If object and image lie on the same side of a mirror, the mirror is

When distance between object and screen is more than 4 times the focal length, in how many positions of the convex lens, image is sharp ?

An object is placed at a certain distance on the principal axis of a concave mirror. If the image distance (v) is 30 cm and radius of curvature (R) of the mirror is 20 cm, find the object distance (u)

Which part of our eye is responsible for image formation?

Object distance (u), image distance (v), focal length (f) are all measured from

If a light ray passing through centre of curvature (C) of a mirror is incident on the mirror, the reflected ray's path is

If magnification is equal to one, it means

To find normal to a curved surface at a point, join that point and

When a set of parallel rays of light inclined at 15° to the principal axis, are incident on a convex lens, they

Focal plane of a spherical mirror is

By using Kirchoff loop law find the value of 'x' in given circuit.

The focal length of eye lens changes between these values.

What is the position of the image if the object is placed beyond the centre of curvature on the principal axis of convex lens?

The mirror used as "Rearview" mirror in vehicles is

Which of the following relation is correct regarding potential difference (V)?

Which of the following materials has high value of specific resistance?

The graph shows relation between induced emf (Φ) and time (t). During which time period there is no change in induced electromotive force?

The equation "E = hv" is proposed by

Match the following and select correct option:

Group-A		Group-B
(1)	DYNAMO rule	(A)	Gauss
(2)	Magnetic field	(B)	Fleming's right hand rule
(3)	Electro magnet	(C)	Weber
(4)	Magnetic flux	(D)	Microphone

P: The magnetic field lines always start from north pole.
Q: The magnetic field lines are open loops.

If force acting on current carrying conductor inside a magnetic field is \(F=\frac {IlB}{\sqrt 2}\). Find the angle between plane of conductor and magnetic field intensity direction.