Thermal expansion (part-1), linear expansion ,superficial expansion, cubical expansion and relation between their coefficient
For thermal expansion (part -2) click HERE
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Motion in a Straight Line Class 11 MCQs(part-1) Questions with Answers
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 ) ...
DYNAMICS , Newton's laws of motion ,Linear momentum , Principle of conservation of Linear momentum (part - 1)
For Friction (part-2) CLICK HERE
Electric potential, Potential difference between two points,Electric potential energy ,Electric volt (;part-3)
kinematics, rest and motion, distance ,displacement ,speed , velocity, instantaneous velocity , velocity-time graph and acceleration (part-1)
FOR Equation of motion click HERE
DYNAMIC(Part-2)Apparent weight,Impulse,Free body diagram ,Friction , origin of friction, classical theory, Modern theory, static and dynamic ,Angle of friction,Angle of Repose,
For equilibrium CLICK HERE
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