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CLASS - XII

# Electrostatic potential Part – 4

1. Electric potential due to uniformly charged spherical shell: Let us consider a spherical shell of radius R is charged by q. Calculate electric field

CLASS - XII

# Electrostatic potential Part – 3

Concepts on electrostatic potential: 1. Electrostatic potential at a point on the axis of a uniformly charged ring: Let us consider a ring of radius

CLASS - XI

# Unit dimension measurement Part – 5

Significant figure: Significant figure are the number of digits upto which the accuracy is maintain. Rules of significant figure: (i) All non-zero digits are significant.

CLASS - XI

# Unit dimension measurement Part – 4

Accuracy precision and error measurement: Error: There is a difference between the true value and measured value when a physical quantity is measured by an

CLASS - XI

# Unit dimension measurement Part – 3

Vernier calipers: Vernier calipers is used to measure length of a body. It consists of four parts. (i) Main scale: It consists of a steel

CLASS - XI

# Unit dimension measurement Part – 2

Measurement: 1. Parallax method: If you hold a pen in front of your eye and look the tip of the pen by closing the right

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