List of top Physics Questions asked in Common Entrance Test Delhi Polytechnic

An object is placed at a distance of 10 cm from a convex mirror of radius of curvature 30 cm. Where is the position of the image ?
A mirror always forms virtual and diminished image it is a :
Convex lens forms the image of Sun at :
A bulb of 60 watt runs for 50 hours. How much electrical energy is consumed ?
In domestic circuit the colour of neutral wire is :
Which of the following waves do not require any kind of medium to propagate ?
Heating effect of current is used in :
Material used for making a fuse wire must have :
Two objects of masses 1 kg and 3 kg have equal momentum. What is the ratio of their kinetic energies ?
1 kWh = _____.
Inside a solenoid the magnetic field is :
SI unit of universal gravitational constant (G) is :
1 Newton = ____ Dyne.
Relative density of silver is 10.8. The density of water is \(10^3 \text{ kg m}^{-3}\). Density of silver will be :
The human audible range of sound is from 20 Hz to ____ :
An object of mass 15 kg is moving with a uniform velocity of \(4 \text{ ms}^{-1}\). What is the kinetic energy possessed by the object ?
How does the force of gravitation between two objects change when the distance between them is reduced to half ?
The image formed by a concave mirror, when the object is placed between pole and focus :
Speed of light in vacuum is :
Ultrasonic wave is a :
A sound wave has a frequency of 2 KHz and wavelength 35 cm. The time taken by it to travel a distance of 7 km will be :
Speed of sound in sea water at \(25^\circ\text{C}\) is :