Properties of Solids & Liquids [JEE (Based on NTA Guidelines-IIT Engg.) Mains Physics]: Questions 1 - 4 of 461

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Question 1

Question MCQ▾

If x, y, p and q represent the increase in length, the original length of the experimental wire, load applied to the wire and area of cross-section of the wire respectively then Young՚s modulus of the wire is given by

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 2

Question MCQ▾

If the terminal speed of a sphere of gold (density = 19.5 kg/m3) is 0.2 m/s in a viscous liquid (density = 1.5 kg/m3) , find the terminal speed of a sphere of silver (density = 10.5 kg/m3) of the same size in the same liquid

Choices

Choice (4)Response

a.

0.133 m/s

b.

0.1 m/s

c.

0.4 m/s

d.

0.2 m/s

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Question 3

Question MCQ▾

The temperature-time variation graphs, as obtained by four students 1,2, 3 and 4 are as shown. The graphs, likely to be wrong are

Choices

Choice (4)Response

a.

Temperature ⇾ Time - Choice A

b.

Temperature ⇾ Time -Choice B

c.

Temperature ⇾ Time -Choice C

d.

Temperature ⇾ Time - Choice D

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Question 4

Question MCQ▾

A jar is filled with two non-mixing liquids 1 and 2 having densities ρ1 and, ρ2 respectively. A solid ball, made of a material of density ρ3, is dropped in the jar. It comes to equilibrium in the position shown in the figure. Which of the following is true for ρ1, ρ2 and ρ3?

Equilibrium Condition in Jar

Choices

Choice (4)Response

a.

ρ1 > ρ3 > ρ2

b.

ρ3 < ρ1 < ρ2

c.

ρ1 < ρ2 < ρ3

d.

ρ1 < ρ3 < ρ2

Edit