List of top Physics Questions asked in AP POLYCET

Lenz's law gives
A double concave lens of refractive index 1.5 with its two spherical surfaces of radii R1 = 30 cm and R2 = 45 cm is kept in air. Its focal length is
A convex lens has a focal length of 10 cm. If u is the object distance, then the image distance is given by
The angle between the paraxial rays and principal axis is
A bird is flying vertically downwards the surface of water of a lake with constant speed. For a fish inside the water exactly below the bird, the bird appears to be
To examine the internal organs of a human body through light, the doctors use
A rectangular tank of depth 4 m is full of water of refractive index \(\frac{4}{3}\). When viewed from the top, the bottom of the tank is seen at a depth of 
The total internal reflection in diamond makes it shine, because the critical angle of diamond is
Ghee is converted from liquid to solid state during winter season. This process is called
40 g of water at 60°C is added to. 60g of water at 30°C. The final temperature of their mixture is
Humidity means
Which among the following pair of units measure the temperature?
A bar magnet is moved towards a coil (a) slowly, (b) quickly. The induced EMF is
The magnetic field lines due to the horseshoe magnet between its poles are
A conductor moving with a speed of 20 m/s in the direction perpendicular to the direction of magnetic field of induction 0.5 T, induces an EMF of 5 V. The length of the conductor is
The material more suitable for core of the electromagnet is
An auto driver has started his auto with the help of a rope by pulling. The device used by him to convert mechanical energy to electrical energy is
The magnetic force acting on a moving charge is given by the product of three quantities, namely
Two currents 0.5 mA and 5 mA flow towards the junction in a circuit and three currents 1 mA, x and 2 mA flow away from the junction. The value of x (in mA) is
The work done by an electric force in moving a unit positive charge from one point to another point in a circuit is called
When both the length and area of cross-section of a wire are doubled, then the resistance will be
The material which has a resistivity value of about 10x1010 Ω-m at 20 °C is
Four resistors each of 1.5 Q are arranged in the form of a parallelogram. The equivalent resistance between any two opposite corners is
Volt is the SI unit of
A bulb draws a current of 0-2 A from a 220 V source. The resistance of the filament of the bulb is