List of top Questions asked in TS POLYCET- 2020

The minimum distance from a real object to the real image in a concave mirror is equal to
What is the position of the image if the object is placed beyond the centre of curvature on the principal axis of convex lens?
Which of the following metals liberates hydrogen gas when reacted with dil. HCl?
If a convex lens is placed in water, its focal length is
The power delivered by a battery of emf 20 V is 40 W. Then the current delivered by the battery is
Which of the following is the formula for magnification of spherical mirror?
The formula of chloroform is
The mirror used as "Rearview" mirror in vehicles is
The number of bond pairs and lone pairs of electrons in H2O molecule are
The distance between two adjacent layers in Graphite
1 nanometer is equal to
What is the lens makers formula?
The lens which can form real and virtual images is
Unit of power of a lens.
The element having highest electronegativity is
The relation between the speed of wave (v), wavelength (λ) and frequency (n) is
What is the focal length of a double concave lens kept in air with two spherical surfaces of radii \(R_1=30 \ cm,\ R_2=60\ cm\) and refractive index of glass is \(n=1.5\)?
The focal length of eye lens changes between these values.
The lens that is used to rectify hypermetrophia
The colour of phenolphthalein indicator in NaOH solution is
When objects of different distances are seen which of the following remain constant
When light passes through the liquids the change of frequency of Scattered light is related to
Which of the following equations is not balanced?
In a given shell, the orbital which has more penetration power towards the nucleus is
Which of the following is saturated hydrocarbon?