The length from the elbow to the fingertip is known as cubit. The distance between the thumb and the little finger when it is stretched maximum... View Article
Presbyopia is a special case of hypermetropia. It is corrected by using a bifocal lens. The upper portion of the lens is a concave lens that... View Article
Given: Hollow metal sphere = Spherical shell Electric field inside the shell = 0 The potential is constant inside thin shell Potential at... View Article
In Physics, amber is a petrified tree resin. According to Greeks, when an amber is rubbed against a rod along with a piece of cloth, the amber... View Article
Train starts from rest, hence the initial velocity u = 0. It moves with acceleration = 2m/s2 for half minute (30 seconds). Distance covered in... View Article
The following are the advantages of water transport: The maintenance cost is less. It is comparitively less expensive that the rail and road... View Article
The answer is: i. The land breeze blows during (d) night ii. The sea breeze blows during (c) day iii. Dark coloured clothes are preferred... View Article
Birds don't get shocked when they sit on the electrical wires because they are not a good conductors of electricity. Since there is no difference... View Article
Electric current is defined the flow of electric charge in a conductor. The SI unit of electric current is Ampere. The formula of electric... View Article
Answer: a) 2r The movement of a body following a circular path is called a circular motion. The total distance measured between the start and... View Article
A voltmeter connected in parallel with circuit element, i.e. resistor across which voltage is to be measured because elements in series have the... View Article
The least count of the screw guage is defined as the distance moved by the tip of the screw when turned through one division of the head scale.... View Article
Derivation of second equation of motion by graphical method: From the graph above, we can say that Distance travelled (s) = Area of figure... View Article