Free MCQs & Online Quiz Practice for Exams

Q: Liquids and gases are collectively categorized as

A) Liquids

B) Pascals

C) Fluids

D) None

Q: Which of the following cannot be used to measure pressure?

A) Atm

B) Pa

C) bar

D) kg/m²

Q: Pressure at depth in fluid

A) Increases

B) Decreases

C) None

D) Stays the same

Q: The unit used for pressure in weather maps is

A) Atm

B) Pa

C) bar

D) N/m²

Q: A rock weighs 25.7 N in air and 21.8 N in water. What is the buoyant force of the water?

A) 4.1 N

B) 3.9 N

C) 1.18 N

D) 0.84 N

Q: Which of the following objects submerged in water experiences the largest magnitude of buoyant force?

A) 1-kg helium balloon

B) 1 kg of wood

C) 1 kg of iron

D) All the same

Q: The unit of strain is

A) kg/m³

B) Pa

C) N/m⁻²

D) None

Q: Young’s modulus is measured in units of

A) kg/m³

B) Pa

C) N

D) None

Q: The SI unit of heat is

A) J

B) kg

C) K

D) °C

Q: The SI unit of temperature is

A) °C

B) °F

C) J

D) K

Q: 310 K in centigrade scale is

A) 37°C

B) 1°C

C) 63°C

D) 273°C

Q: The SI unit of specific heat is

A) J/K

B) J·K⁻¹·kg⁻¹

C) J/kg

D) JK kg

Q: The SI unit of latent heat is

A) JK⁻¹

B) Jkg⁻¹

C) JK kg

D) JK kg⁻¹

Q: The Fahrenheit and Celsius scales coincide at

A) -460°

B) -273°

C) -40°

D) 310°C

Q: When water at 0°C is heated, it contracts until the temperature reaches

A) 0°C

B) 4°C

C) 100°C

D) 100 K

Q: The relation between coefficient of linear expansion (α) and volume expansion (γ) is

A) α=3γ

B) γ=3α

C) γ=α/2

D) γ=6α

Q: How much heat is required to melt 1 kg of zinc at its boiling temperature 240°C with latent heat of 113×10⁻¹ Jkg?

A) 113×10³ JB

B) 2.4×10⁵ J

C) 2.71×10⁵ J

D) 1.13×10⁶ J

Q: The amount of heat required to raise the temperature of 1 kg of water by 1 K is

A) 1 J

B) 400 J

C) 310 J

D) 4190 J

Q: Which of the following is the best heat conductor?

A) Aluminum

B) Tin

C) Iron

D) Copper

Q: Identical cubes of the following materials are kept in a room at the same temperature. Which will feel coldest to touch?

A) Wood

B) Glass

C) Iron

D) Styrofoam