Table of Contents
Charging of Insulators
Since charge cannot flow through insulators, neither conduction nor induction can be used to charge, insulators, so in order to charge an insulator friction is used. Whenever an insulator is rubbed against a body exchange of electrons takes place between the two. This results in appearance of equal and opposite charges on the insulator and the other body. Thus the insulator is charged.
For example rubbing of plastic with fur, silk with glass causes charging of these things.
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Reynolds Number
Last modified on:3 years agoReading Time:10MinutesWhat is Reynolds Number? The Reynolds number (Re) is a dimensionless parameter used in fluid mechanics to characterize the flow of a fluid (liquid or gas) around an object or through a conduit. It relates the inertial forces to the viscous forces in the fluid and helps determine the type of…
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NEET Physics Kinematics (Graphical Questions)
Last modified on:4 years agoReading Time:4Minutes Here we are providing NEET Physics Graphical Questions for Kinematics. Most of the time students gets confused while solving graphical questions based on kinematics. we have provided enough problems here so that students can master the concepts of graph. This will help students to understand the concept well. NEET Physics…
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NEET Phy COM (Study Notes)
Last modified on:5 years agoReading Time:6MinutesCONTENTS Centre of mass of a two-particle system; Centre of mass of a rigid body; Velocity of Centre of Mass; Acceleration of Centre of Mass; Some Important Points CENTRE OF MASS It is point in a system which moves as if whole mass of the system is concentrated at the point…
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JEE/ NEET Physics COM (Exercise)
Last modified on:5 years agoReading Time:1Minute ANSWERS 1. D 2. C 3. B 4. D 5. B 6. C 7. C 8. C 9. A 10. C …
