NEET 2023 Manipur | Properties of Matter Question 7 | Physics

The viscous drag acting on a metal sphere of diameter $$1 \mathrm{~mm}$$, falling through a fluid of viscosity $$0.8 \mathrm{~Pa}$$ s with a velocity of $$2 \mathrm{~m} \mathrm{~s}^{-1}$$ is equal to :

$$15 \times 10^{-3} \mathrm{~N}$$

$$30 \times 10^{-3} \mathrm{~N}$$

$$1.5 \times 10^{-3} \mathrm{~N}$$

$$20 \times 10^{-3} \mathrm{~N}$$

NEET 2023

MCQ (Single Correct Answer)

-1

The amount of energy required to form a soap bubble of radius $$2 \mathrm{~cm}$$ from a soap solution is nearly: (surface tension of soap solution $$=0.03 \mathrm{~N} \mathrm{~m}^{-1}$$ )

$$5.06 \times 10^{-4} \mathrm{~J}$$

$$3.01 \times 10^{-4} \mathrm{~J}$$

$$50.1 \times 10^{-4} \mathrm{~J}$$

$$30.16 \times 10^{-4} \mathrm{~J}$$

NEET 2023

MCQ (Single Correct Answer)

-1

The venturi-meter works on :

Bernoulli's principle

The principle of parallel axes

The principle of perpendicular axes

Huygen's principle

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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