List of top Questions asked in AP POLYCET

The magnetic force acting on a straight wire of length l carrying a current I which is placed perpendicular to the uniform magnetic field B is
Mechanical energy is converted into electrical energy in
The device which contains slip rings to reverse the direction of current through coil is called
An increase in magnetic flux through a coil of 500 turns in 0·1 s is 0·001 Wb. The maximum induced EMF generated in the coil is
If ε and ∆t are the induced EMF and time respectively, then the change in magnetic flux is given by
Which of the following rays undergoes deviation by a lens?
If v1and v2 are the speeds of light in the two media of refractive indices n1 and n2 respectively, then
Which among the following statements on mirage is false?
Which among the following are used in transport communication signals through light pipes?
The refractive index of a medium is 2. The speed of light in that medium is
Refraction does not take place when the angle between the incident light ray and normal to the interface is
Freezing of water takes place at a temperature and atmospheric pressure of
Pick the false statement on specific heat
The relationship between average kinetic energy (E) of water molecules and its absolute temperature (T ) is given by
When wet cloths dry, water in it disappears. This is due to
According to the principle of method of mixtures, if A and B are the net heat lost and net heat gain respectively, then
The value of –10 ºC temperature in Kelvin scale is
\(CH_3 COOH\) solution turns red litmus into
Identify the hardest substance in the body.
\(2HCl + Zn\rightarrow\)
Methyl orange shows _____ colour in acidic solution.
Which of the following is not correct?
Quantum numbers of a subshell are n = 2 and l = 1. Identify the subshell.
l values of subshells d, s, f, p are respectively
In visible light, red colour possesses