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qUESTIONS

MCQs-PYQs-12th-jee

In this figure, an ideal liquid flows through the tube, which is of uniform cross-section. The liquid has speed VA and VB, and pressure PA and PB at points A and B respectively

MCQs-PYQs-12th-jee

An ideal fluid flows through a pipe of circular cross-section made of two sections with diameters 2.5cm and 3.75cm. The ratio of the velocities in the two pipes is

MCQs-PYQs-12th-jee

Water is flowing in a pipe of diameter 4 cm with a velocity 3 m/s. The water then enters into a tube of diameter 2 cm. The velocity of water in the other pipe is

MCQs-PYQs-12th-jee

A liquid is allowed to flow into a tube of truncated cone shape. Identify the correct statement among the following

MCQs-PYQs-12th-jee

Along a streamline

MCQs-PYQs-12th-jee

Which of the following diagrams does not represent a streamline flow?

MCQs-PYQs-12th-jee

A log of wood of mass 120 kg floats in water. The weight that can be put on the raft to make it just sink, should be (density of wood=600 kg/m³)

MCQs-PYQs-12th-jee

An iceberg of density 900 kg/m³ is floating in water of density 1000 kg/m³. The percentage of volume of ice-cube outside the water is

MCQs-PYQs-12th-jee

A U-tube in which the cross-sectional area of the limb on the left is one quarter, the limb on the right contains mercury (density 13.6 g/cm³). The level of mercury in the narrow limb is at a distance of 36 cm from the upper end of the tube. What will be the rise in the level of mercury in the right limb if the left limb is filled to the top with water

MCQs-PYQs-12th-jee

An open U-tube contains mercury. When 11.2 cm of water is poured into one of the arms of the tube, how height does the mercury rise in the other arm form its initial level

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