Coulomb's law,Electric field,electric field intensity , gauss law and its application (part -2)

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January 19, 2022

FOR Electric potential, Potential difference between two points,Electric potential energy ,Electric volt

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Thermal expansion (part-1), linear expansion ,superficial expansion, cubical expansion and relation between their coefficient

January 30, 2022

For thermal expansion (part -2) click HERE

Motion in a Straight Line Class 11 MCQs(part-1) Questions with Answers

February 03, 2022

1. Which one of the following Cartesian coordinate systems is not followed in physics? Ans: d 2. Identify the unit vector in the following. Ans: d 3. Which one of the following physical quantities cannot be represented by a scalar? (a) Mass (b) length (c) momentum (d) magnitude of acceleration 4. Two objects of masses m 1 and m 2 fall from the heights h 1 and h 2 respectively. The ratio of the magnitude of their momenta when they hit the ground is Ans: c 5. If a particle has negative velocity and negative acceleration, its speed (a) increases (b) decreases (c) remains same (d) zero 6. If the velocity is , then the magnitude of acceleration at t = 0.5 s is (a) 1m s -2 (b) 2 m s -2 (c) zero (d) -1 m s -2 7. If an object is dropped from the top of a building and it reaches the ground at t = 4 s , then the height of the building is (ignoring air resistance) (g = 9.8 ms –2 ) ...