Physics-
General
Easy
Question
Two masses are suspended together by a massless spring of constant . When the masses are in equilibrium, is removed without disturbing the system. The amplitude of oscillations is
The correct answer is:
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Two springs, of force constants, are connected to a mass as shown. The frequency of the mass is . If both are made four times their original values, the frequency of oscillation becomes
Two springs, of force constants, are connected to a mass as shown. The frequency of the mass is . If both are made four times their original values, the frequency of oscillation becomes
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A metal rod of length and mass is pivoted at one end. A thin disk of mass and radius is attached at its centre to the free end of the rod. Consider two ways the disc is attached case - the disc is not free to rotate about its centre and case – the disc is free to rotate about its centre. The rod-disc system performs SHM in vertical plane after being released from the same displaced position. Which of the following statement(s) is/are true?
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A spring (spring constant =) is cut into 4 equal parts and two parts are connected in parallel. What is the effective spring constant?
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A simple pendulum is released from shown. If and represent the mass of the bob and Length of the pendulum, the gain kinetic energy
at is
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at is
Physics-General
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What is the velocity of the bob of a simple pendulum at its mean position, if it is able to rise to vertical height of 10 cm? (g=9.8 )
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Identify the sequence and components of curde oil after fractional distillation of petroleum
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The residue left behind after the dry distillation of coal :
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Chemistry-General