Physics - MOST IMPORTANT Delhi Police Previous Year Questions
Practice real questions from previous year exams of Delhi Police.
What technique is used in cell biology research for imaging cellular organelles and surface topography?
Seema switched on an electric circuit and went away to drink some water. She came back after 2 minutes and noticed that the circuit had 2.5 A of current flowing through it. The net charge that had flown through the circuit is:
Who described Archimedes' method of finding the specific gravity of substances using a balance in the treatise ‘The Little Balance’?
Who among the following physicists wrote an autobiography ‘Autobiographical Notes’?
The melting point of a solid is defined as:
From where does most of the refracted light rays enter the eyes?
The rate of change of momentum of an object is proportional to the applied unbalanced force in the direction of force. This is known as:
A kangaroo ran 150 m in the first 40 seconds and then, it ran 100 m in the next 10 seconds. Still, its displacement was only 50 m. The average speed of the kangaroo is:
Identify the word that means the minimum distance at which objects can be seen most distinctly without strain.
Which of the following elements has the highest atomic number?
Rahul decided to take a walk through a forest early in the morning. While he was inside the dense forest, he could see the beautiful sunrays through the small gaps within trees and clearly see the path taken by those rays. Of which effect was this a result?
With reference to electric charges, identify the INCORRECT statement.
Becquerel, which is equal to one disintegration per second (dps) is represented by which symbol?
The kinetic energy of the constitute molecules of the matter is minimum for its:
What kind of image does the eye lens form of the object on the retina?
Which physicist is known for extensive research in ‘radiation phenomena’ and the discovery of polonium and radium?
Upon application of heat energy, the atoms of an ice cube start vibrating. At one point, the atoms have so much energy that they break away from their fixed position and loose the fixed structure. We can see this as the formation of water. What is this particular point called?
The horizontal distance between two adjacent crests or troughs is known as the __________.
What is the molecular mass of an ozone molecule?
The students in a physics lab have been asked to measure the amount of electric current in a circuit. Which device should they use?