Physics Test

Name

1.The phenomenon of surface tension is due to

1 point

gravity

capillarity

molecular nature

viscosity

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The motion of planets around the sun is an example of

1 point

oscillatory motion

SHM

linear motion

periodic motion

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The SI unit of coffecient of viscosity is

1 point

Pa s

Pa m

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The terminal velocity of a spherical body falling in a viscous medium is proportional to

1 point

r square

r cube

1 over r

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Which of the following is NOT true about ideal gas assumption

1 point

molecules move randomly

molecules possess kinetic energy

molecules obey Newton's laws

colission is inelastic

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The tangent drawn on the electric lines of force represents the direction of

1 point

acceleration

electric field

elecric flux

velocity

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During charging of a capacitor, current in the circuit

1 point

decreases exponentially

increases exponentially

decreases linearly

increases linearly

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The device that generate uniform electric field is

1 point

inductor

resistor

capacitor

transistor

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The surface tesion of liquid decreases with

1 point

increase in temperature

decrease in temperature

increase in pressure

decrease in pressure

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The net force on the body falling with terminal velocity is

1 point

maximum

minimum

infinity

zero

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