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Fluids At Rest QUESTIONS AND ANSWERS

IIT JEE : Fluids At Rest QUESTIONS AND ANSWERS :: part3 : 16 to 20

Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :

16.The surface area of a bubble increases four times when it rises from bottom to the top of a water tank. If the atmospheric pressure is 10 metre of water column, then the depth of water in the tank is

30 m

40 m

70 m

80 m

17.A 20 N metal block is suspended by a spring balance . A beaker containing some water is placed on a weighing machine which reads 40 N. The spring balance is now lowered so that block gets immersed in the water. The spring balance now reads 16 N. The reading of the weighing machine will be

36 N

60 N

44 N

56 N

18.We have two different liquids A and B whose relative density are 0.75 and 1.0 respectively. If we dip solid objects P and Q having relative densities 0.6 and 0.9 in these liquids, then

P floats in A and Q sinks in B

P sinks in A and Q floats in B

P floats in B and Q sinks in A

P sinks in B and Q floats in A.

19.A 20 cm long capillary tube is dipped in water. The water rises up to 8 cm. If the entire arrangement is put in a freely falling elevator the length of water column in the capillary tube will be:

8 cm

10 cm

4 cm

20 cm

20.Which of the following is/are correct about pressure?

Pressure at a point acts equally in all directions

Liquid at rest exerts lateral pressure which decreases with depth

Pressure acts normally on any area whatever orientation the area may be held

Both A and C are correct

More Fluids At Rest QUESTIONS AND ANSWERS available in next pages