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Mdcat-past-papers Quiz

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1021. In case of centripetal force, the value of instantaneous acceleration is given by:



1022. A disc, a hoop and a sphere are rolling down from an inclined plane simultaneously, which object will reach at the bottom first?



1023. The angular form of centripetal force is:



1024. In a simple harmonic motion with a radius 'x' the velocity of the particle at any point is :



1025. Mathematical formula of maximum velocity (v₀) for a body executing SHM is :



1026. A body performing SHM with displacement x = x₀ sin(ωt + ϕ). At t = 0, x = x₀. Then what is the phase angle ϕ?



1027. A long spring, when stretched by a distance x, has potential energy V. On increasing the stretching to nx, the potential energy becomes:



1028. When will the oscillations stop in the absence of resistive forces?



1029. If the length of the second pendulum becomes four times, then its time period will become:



1030. The most appropriate mathematical expression representing SHM is:



1031. If the given spring of spring constant K is cut into three identical segments, the spring constant of each segment is:



1032. In vibratory motion, the maximum displacement on either side of equilibrium position is called:



1033. If a pendulum completes one cycle in half seconds, its frequency is:



1034. Time period of a vibrating body is independent of:



1035. In SHM, a ∝ −x, the negative sign indicates that:



1036. A wave generator produces 100 pulses in 10s. Frequency of pulse will be:



1037. Energy of SHM oscillator is partly kinetic and partly potential. Which is correct?



1038. A string of 6.0 m has wave speed of 24 m/s. Resonant frequencies?



1039. A 2 kg mass in SHM under F = −200x, velocity at mean = 100 m/s. Amplitude?



1040. Number of wavelengths per unit time is: