List of top Questions asked in Common Entrance Test Delhi Polytechnic

Which among the following is an insulator :
An ant sting contains :
If K, L, M, N shells of an atom are full, the total number of electrons in that atom are :
The process of evaporation causes :
Dry ice on heating produces :
During evaporation particles of a liquid change into vapour :
At higher altitude the boiling point of liquid :
Name the element whose M-Shell has 2 electrons :
How many electrons, protons and neutrons are present in Y\(^+\), if atomic number of Y is 19 and mass number of Y is 39 :
An element Z has valency equal to 3, what will be its formula with sulphate ions :
The hot food prepared in the kitchen can be smelt outside the house because of :
Which of the following has highest intermolecular force of attraction ?
Which among the following shows Tyndall effect ?
Number of \(\text{H}_2\text{O}\) (water) molecules in a drop of water weighing 0.5 g is :
Resistance of a conductor depends on :
Which of the following terms does not represent electric power in a circuit ?
Joule/Coulomb represents :
Ammeter is used in a circuit in :
The refractive indices of flint glass and alcohol are 1.65 and 1.36 respectively with respect to air. What is refractive index of flint glass with respect to alcohol ?
Stars twinkle due to :
The device used for measuring potential difference is known as :
Very big particles scatter :
The far point of a normal eye is :
Two thin lenses of power +3.5 D and -2.5 D are placed in contact. Find the focal length of the lens combination ?
The refractive indices of water, glass, kerosene and diamond are 1.33, 1.5, 1.44 and 2.42. In which medium the speed of light is least ?