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What is oscillatory motion ? Give one

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Every oscillaory motion is

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Why are all stringed instruments provided with hollow

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A simple Romanic wave has the equation`Y = 0.30 Sin (314 t – 1.57x)`t = sec, x = meters, y = cm. Find the frequency and wavelength of this wave.Another wave has the equation`Y1 = 0.1 Sin (314 t – 1.57x + 1.57)`Deduce the phase difference and ratio of intensities of the above two

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Figure. Shows displacement – time curves I and II. What conclusions do you draw from these

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What is the angle between two forces of 2N and 3N having resultant as

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Which is greater the angular velocity of the hour hand of a watch or angular velocity of earth around its own

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If force is acting on a moving body perpendicular to the direction of motion, then what will be its effect on the speed and direction of the

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Explain why passengers are thrown forward form their seats when a speeding bus stops

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An elevator weighs 3000kg. What is its acceleration when the in the tension supporting cable is 33000N. Given that g =

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Two blocks of masses `m_1, m_2` are connected by light spring on a smooth horizontal surface. The two masses are pulled apart and then released. Prove that the ratio of their acceleration is inversely proportional to their

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Prove that in an elastic collision in one dimension the relative velocity of approach before impact is equal to the relative velocity of separation after

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What is the value of linear velocity if `vecw=3hati-4hatj+hatx and vecr=5hati-6hatj+6hatk

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On which fundamental law of physics is keplers second law is

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The distance of the planet Jupiter from the sun is 5.2 times that of the earth.Find the period of the Jupiter’s revolution around the

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If radius of earth is 6400km, what will be the weight of 1 quintal body if taken to the height of 1600 km above the sea

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State Hooke’s

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What are ductile and brittle

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The blood pressure of humans is greater at the feet than at the

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State the principle on which Hydraulic lift work and explain its

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