Definition and formula quiz_4E Physics

Quiz by Jessica Lew

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72 questions
• Q1

What is temperature?

a measure of the average kinetic energy of the substance’s atoms

a measure of the internal energy of the substance’s atoms

a measure of the total kinetic energy of the substance’s atoms

a measure of the total potential energy of the substance’s atoms

120s
• Q2

which type of energy affects the temperature of the object?

Internal Energy

Potential Energy

Average Kinetic Energy

120s
• Q3

How can boiling and condensation best be distinguished?

number of bubbles produced

Boiling occurs at a fixed temperature, Evaporation occurs at any temperature below boiling point

visibility of changes occurring throughout the liquid

120s
• Q4

What factors affect the boiling point of a liquid?

surrounding air pressure and presence of impurities

surrounding air pressure only

presence of impurities only

120s
• Q5

What is the SI unit for heat capacity?

J K–1

J °C–1

J kg–1K –1

J kg–1°C –1

120s
• Q6

What is the SI unit for specific heat capacity?

J kg–1°C –1

J kg–1K –1

J K–1

J °C–1

120s
• Q7

What is the definition of Specific latent heat of fusion?

Thermal energy needed to change 1 kg of substance from solid to liquid without a temperature change.

Energy needed to change a substance from solid to liquid without temperature change.

Thermal energy needed to change 1 kg of substance from liquid to gas without temperature change.

Thermal energy needed to change 1 kg of substance from solid to liquid

120s
• Q8

What is the definition of Specific latent heat of fusion?

Energy needed to change a substance from solid to liquid without temperature change.

Thermal energy needed to change 1 kg of substance from liquid to gas without temperature change.

Thermal energy needed to change 1 kg of substance from solid to liquid without temperature change.

Thermal energy needed to change 1 kg of substance from solid to liquid

120s
• Q9

An object with High value of heat capacity needs more time to cool down or heat up  because

It needs to lose less energy (cooling) or absorb less energy (heating).

It needs to lose more energy (cooling) or absorb less energy (heating).

It needs to lose more energy (cooling) or absorb more energy (heating).

120s
• Q10

Definition of transverse wave is

Perpendicular to the direction of propagation (movement) of wave

Movement of particles in the medium: parallel to the direction of propagation (movement) of wave

parallel to the direction of propagation (movement) of wave

Movement of particles in the medium: Perpendicular to the direction of propagation (movement) of wave

120s
• Q11

Definition of longitudinal wave is

Movement of particles in the medium: parallel to the direction of propagation (movement) of wave

Perpendicular to the direction of propagation (movement) of wave

Movement of particles in the medium: Perpendicular to the direction of propagation (movement) of wave

parallel to the direction of propagation (movement) of wave

120s
• Q12

which group shows examples of transverse waves?

ultrasound, microwaves, infrared waves

water waves, microwaves, sound from radio

120s
• Q13

Which is a definition of a crest?

Lowest point reached by the particle from its neutral position

The distance between two successive crests or two successive troughs

Highest point reached by the particle from its neutral position

The maximum displacement of the particle from its neutral position perpendicular to the direction of propagation

120s
• Q14

Which is a definition of wavelength?

The maximum displacement of the particle from its neutral position perpendicular to the direction of propagation

Lowest point reached by the particle from its neutral position

The distance between two successive crests or two successive troughs

Highest point reached by the particle from its neutral position

120s
• Q15

What is the definition of frequency?

The number of complete waves produced in one second.

The distance moved by any part of the wave in one second

The time taken to produce one complete wave.

120s

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