Mechanical Physics - Study Mode

Show All Answers

[#171] Which of the following is the by product derived from the refining process of petroleum?

(A) Petrol

(B) Charcoal

(C) Coal

(D) Asphalt

Correct Answer

(D) Asphalt

[#172] The terminal velocity of a small sized spherical body of radius r falling in a viscous liquid is proportional to

(A) $$frac{1}{{{r^2}}}$$

(B) $$frac{1}{r}$$

(C) r 2

(D) r

Correct Answer

(C) r 2

[#173] If there were no gravity, which of the following will not be there for a fluid?

(A) Viscosity

(B) Surface Tension

(C) Pressure

(D) Upward Thrust

Correct Answer

(D) Upward Thrust

[#174] Mobiles and Automobiles have brought about a revolution in the social life of Indians, especially in the rural, in terms of 1. Mobility of the people 2. Connectivity of the people 3. Sensitivity of the people Select the correct answer:

(A) Only 1 and 2

(B) Only 1 and 3

(C) Only 2 and 3

(D) 1, 2 and 3

Correct Answer

(A) Only 1 and 2

[#175] Consider the following statements. 1. Greater the value of Young's modulus of a material, larger is its elasticity. 2. Steel is more elastic than copper. Which of the statement(s) given above is/are correct?

(A) Only 1

(B) Only 2

(C) Both 1 and 2

(D) Neither 1 nor 2

Correct Answer

(C) Both 1 and 2