List of top Questions asked in Telangana State Polytechnic Common Entrance Test

The resistance of human body varies between
The alloy made of Cu, Mn, Ni is
The current in a conductor is directly proportional to the potential difference between its ends. This is called____
Focal length of a lens is 25 cm. Its power is___
\(4 \Omega, 8 \Omega, R\) resistors are connected in series. Resultant resistance is \(20 \Omega\). Then \(R=?\)
A convex lens form image of an object at infinity. Object is at
When how much current flows in the fuse, it melts ?
With the help of _____eye-lens changes its focal length.
Focal length of plano-convex lens of refractive index n and radius of curvature R 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
In our eye cones identify
A bird is flying down vertically towards the surface of water with constant speed. A fish in the water vertically below the bird sees the bird
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
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 ?
If magnification is equal to one, it means
If object and image lie on the same side of a mirror, the mirror is
Which part of our eye is responsible for image formation?
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)
The value of \(\frac{1 - \tan^2 45^\circ}{1 + \tan^2 45^\circ}=\)
To find normal to a curved surface at a point, join that point and
The angle of elevation of the top of a tower, whose height is 100 m, at a point whose distance from the base of the tower is 100 m is
If \(\cot \theta = \frac{b}{a}\) then \(\frac{\cos \theta + \sin \theta}{\cos \theta - \sin \theta}\)=
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