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Motion – Quick Notes
Frequently Asked Questions (FAQs) on Motion Q1: What is motion? Ans: Motion is the change in an object’s position with time. It can be observed directly, such as a car moving, or inferred indirectly, like the movement of dust particles indicating air motion. Q2: How can we describe the position of an object? Ans: The…
Assemble a Household Circuit
Aim To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source. Apparatus and Material Required Three bulbs (12 W, 220 V each), three (on/off) switches, socket, a fuse of 1.0 A, plug, flexible connecting wire, main switch. Principle If \(P_1\), \(P_2\), \(P_3\), \(P_4\), \(P_5\), … \(P_n\) be the power…
Determination of the Angle of Minimum Deviation
Determination of the Angle of Minimum Deviation for a given Prism Aim To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation. Apparatus and Material Required Principle A triangular prism consists of three rectangular lateral surfaces and two triangular bases. The two lateral surfaces,…
Reproduction in Animals- Quick Revision 02
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Force and Pressure – Quick Notes
Force Definition: A push or pull acting on a body which tends to change its state of rest or motion. Types: Effects of Force: Unit of Force Resultant Force Balanced and Unbalanced Force Types of Forces Pressure Definition: Force acting on a unit area. \[\text {Pressure} = \frac {Force}{Area}\] Unit: Pascal (\(\text{Pa}\)), also called newton…
Class 11 Physics practical Screw Gauge
Aim To measure diameter of a given wire and thickness of a given sheet using screw gauge. Apparatus and Material Required Principle A screw gauge works on the principle of a screw. When a screw is rotated in a nut, the linear distance moved by it is directly proportional to the number of rotations given to…