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Screw gauge works on the rule of screw. It has a linear scale called as the main scale, and another scale called as the circular scale. The circular scale can be moved by a head screw. On moving the screw, the circular scale advances linearly on the major scale. The distance covered by the tip of screw when it is given single complete movement, is called as the pitch of the screw. Split the pitch of screw by the total number of division on the circular scale, we attain the distance which the screw advances on rotating the screw by 1 division on its circular scale. This distance is called as the least count of the measurement device.
A bomber plane moves horizontally with a speed of 500 m/s and a bomb released from it, strikes the ground in 10 sec. angle at which it strikes the ground will be (g=10m/s) 1. tan
law of successive diintegration
1. How fast must an object travel for its total energy to be (a) 1% more than its rest energy and (b) 99% more than its rest energy. 2. A proton is moving with a constant speed
When royce was 10 years old he had a mass of 30kg by the time he was 16 years old his mass increase to 60kg how much larger is the gravitational force between royce and earth at a
Draw and explain V-I characteristics of constant voltage and constant current sources. Ans: V-I Characteristics of Constant Voltage Source: A voltage source that has very low
Gauss' law for magnetic fields The magnetic flux by a closed surface is zero; no magnetic charges present. In differential form, div B = 0.
Ques: Point out the direction of the current if any induced to flow in the loop by the changing magnetic field. (Describe is the loop as viewed from above.) Answer:
Attraction & repulsion of atom: It can be observed, that if two negatively charged bodies are brought together, there is a force of repulsion between them. Similarly if two p
the use and working principle of thermoelectric thermometer
Archimedes' principle A body which is submerged into a fluid is buoyed up through a force equal in magnitude to the weight of the fluid which is displaced, and directed upward
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