NEET 2020 Phase 1 | Properties of Matter Question 18 | Physics

A capillary tube of radius r is immersed in water and water rises in it to a height h. The mass of the water in the capillary is 5 g. Another capillary tube of radius 2r is immersed in Water. The mass of water that will rise in this tube is :

5.0 g

10.0 g

20.0 g

2.5 g

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

A wire of length L, are of cross section A is hanging from a fixed support. The length of the wire changed to L₁ when mass M is suspended from its free end. The expression for Young's modulus is :

$${{Mg\left( {{L_1} - L} \right)} \over {AL}}$$

$${{MgL} \over {A{L_1}}}$$

$${{MgL} \over {A\left( {{L_1} - L} \right)}}$$

$${{Mg{L_1}} \over {AL}}$$

NEET 2019

MCQ (Single Correct Answer)

-1

A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in tmperature. The length of aluminium rod is : ($$\alpha $$_Cu = 1.7 × 10^–5 K^–1 and $$\alpha $$_Al = 2.2 × 10^–5 K^–1)

119.9 cm

88 cm

68 cm

6.8 cm

NEET 2019

MCQ (Single Correct Answer)

-1

When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L + $$l$$). The elastic potential energy stored in the extended wire is :

Mgl

mgL

$${1 \over 2}$$Mgl

$${1 \over 2}$$MgL

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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