List of top Questions asked in TS POLYCET

What is the lens makers formula?
What is the position of the image if the object is placed beyond the centre of curvature on the principal axis of convex lens?
When two ends of a conductor are connected to terminals of battery, what happens inside conductor?
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 \(n=1.5\)?
Which of the following is the formula for magnification of spherical mirror?
The lens which can form real and virtual images is
Unit of power of a lens.
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
The frequency of direct current is _____ .
In a given shell, the orbital which has more penetration power towards the nucleus is
1 nanometer is equal to
The number of bond pairs and lone pairs of electrons in H2O molecule are
The element having highest electronegativity is
The functional group in aldehyde is
The formula of chloroform is
The distance between two adjacent layers in Graphite
Which of the following is saturated hydrocarbon?
Volume of oxygen required at STP for complete combustion of 1 mole of ethane.
The IUPAC name of \(CH_3-CH_2-CH=CH_2\) is
Which of the following equations is not balanced?
Which of the following metals liberates hydrogen gas when reacted with dil. HCl?
The nature of non-metallic oxides is generally
The volume occupied by one gram of hydrogen gas at STP is
The colour of phenolphthalein indicator in NaOH solution is