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प्रश्न
What is meant by periodic motion? Give any two examples, for periodic motion.
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उत्तर
Periodic motion: Any motion which repeats itself in a fixed time interval is known as periodic motion.
Examples: Hands in a pendulum clock, a swing of a cradle.
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संबंधित प्रश्न
Choose the correct option:
A particle performs linear S.H.M. starting from the mean position. Its amplitude is A and time period is T. At the instance when its speed is half the maximum speed, its displacement x is ______.
Obtain the expression for the period of a magnet vibrating in a uniform magnetic field and performing S.H.M.
A wooden block of mass m is kept on a piston that can perform vertical vibrations of adjustable frequency and amplitude. During vibrations, we don’t want the block to leave the contact with the piston. How much maximum frequency is possible if the amplitude of vibrations is restricted to 25 cm? In this case, how much is the energy per unit mass of the block? (g ≈ π2 ≈ 10 m/s-2)
A body of mass 64 g is made to oscillate turn by turn on two different springs A and B. Spring A and B has force constant 4 `"N"/"m"` and `16 "N"/"m"` respectively. If T1 and T2 are period of m oscillations of springs A and B respectively, then `("T"_1 + "T"_2)/("T"_1 - "T"_2)` will be ______.
The ratio of frequencies of oscillations of two simple pendulums is 3: 4 then their lengths are in the ratio ______.
A particle starting from mean position oscillates simple harmonically with period 4 s. After what time will its kinetic energy be 75% of the total energy?
`( cos 30° = sqrt(3/2))`
The path length of oscillation of simple pendulum of length 1 meter is 16 cm. Its maximum velocity is ______. (g = π2 m/s2)
In an oscillator, for sustained oscillations, Barkhausen criterion is Aβ equal to ______.
(A = voltage gain without feedback and β feedback factor)
If KS and KP respectively are effective spring constants in series and parallel configurations of springs as shown in the figure. Find `K_S/K_P`.
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| (i) | (ii) |
A block of mass 40 grams is suspended from an ideal spring and set into vertical oscillations. Find the mass to be added on the spring such that the period of oscillation increases by 25%.
