NEET 2023 | Properties of Matter Question 10 | Physics

Let a wire be suspended from the ceiling (rigid support) and stretched by a weight $$W$$ attached at its free end. The longitudinal stress at any point of cross-sectional area $$A$$ of the wire is :

$$W / A$$

$$W / 2 A$$

Zero

$$2 W / A$$

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

Two copper vessels A and B have the same base area but of different shapes. A takes twice the volume of water as that B requires to fill upto a particular common height. Then the correct statement among the following is :

Vessel B weighs twice that of A.

Pressure on the base area of vessels A and B is same.

Pressure on the base area of vessels A and B is not same.

Both vessels A and B weigh the same.

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

The terminal velocity of a copper ball of radius 5 mm falling through a tank of oil at room temperature is 10 cm s^$$-$$1. If the viscosity of oil at room temperature is 0.9 kg m^$$-$$1 s^$$-$$1, the viscous drag force is :

4.23 $$\times$$ 10^$$-$$6 N

8.48 $$\times$$ 10^$$-$$3 N

8.48 $$\times$$ 10^$$-$$5 N

4.23 $$\times$$ 10^$$-$$3 N

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NEET Subjects

Biology

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution