NEET 2022 Phase 1 | Properties of Matter Question 11 | Physics

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NEET 2022 Phase 1

MCQ (Single Correct Answer)

-1

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : The stretching of a spring is determined by the shear modulus of the material of the spring.

Reason (R) : A coil spring of copper has more tensile strength than a steel spring of same dimensions.

In the light of the above statements, choose the most appropriate answer from the options given below:

Both (A) and (R) are true and (R) is the correct explanation of (A)

Both (A) and (R) are true and (R) is not the correct explanation of (A)

(A) is true but (R) is false

(A) is false but (R) is true

NEET 2021

MCQ (Single Correct Answer)

-1

The velocity of a small ball of mass M and density d, when dropped in a container filled with glycerin becomes constant after some time. If the density of glycerin is $${d \over 2}$$, then the viscous force acting on the ball will be :

2Mg

$${{Mg} \over 2}$$

$${{3} \over 2}$$Mg

NEET 2020 Phase 1

MCQ (Single Correct Answer)

-1

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 :

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

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

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

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

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