Physics Revision Lesson P1

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Physics

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10th Grade

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Hard

Jeremy Salmon

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8 Slides • 31 Questions

Physics Revision Lesson P1

Multiple Choice

What new technology allowed Thompson to discover electrons?

Cathode Rays

Alpha Radiation

Electricity

Magnets

Multiple Choice

What new technology allowed Rutherford to discover the nucleus?

Cathode Rays

Alpha Radiation

Electricity

Magnets

Multiple Choice

What results did Rutherford observe in his Gold-Foil experiment?

He observed that all alpha particles did go through a gold-foil in straight lines

He observed that most alpha particles did not go through a gold-foil and stopped on one side of the gold foil.

He observed that a small number of alpha particles bounced off the gold-foil at very large angles

He observed that all alpha particles slightly deflected from the straight line when going through a gold-foil

Multiple Choice

JJ Thomson's experiment that he used to discover electrons

gold foil experiment

cathode ray experiment

neither of these is correct

Multiple Choice

Which of the following is/are conclusions based on Rutherford’s gold foil experiment?

Atom is mostly empty space

The nucleus is positively charged

The atom has a small dense nucleus

All answers are correct

Multiple Choice

Rutherford realized that the atomic nucleus was positively charged because

it attracted alpha particles.

it deflected alpha particles.

it had no effect on alpha particles.

it produced alpha particles.

Multiple Choice

The graph shows the cooling curve of a substance. At which stages the specific latent heat released?

AB and CD

BC and DE

AB and EF

BC and CD

Multiple Choice

What is the formula to calculate specific latent heat of vaporisation?

$l=\frac{Q}{m}$

c = Q/(mΔƟ)

Q = mcΔƟ

$Q=ml$

Multiple Choice

The heat absorbed by melting a solid is known as

latent heat of fusion

latent heat of solid

latent heat of liquid

latent heat of vaporisation

Multiple Choice

Latent heat is

the heat absorbed or released at a boiling process during a change of phase

the heat absorbed or released at a constant temperature during a change of phase

the heat absorbed or released at a constant temperature during a change of phase of 1 kg object

the heat absorbed or released by an object to increase or decrease its temperature by 1 degree Celcius

Multiple Choice

Specific heat of water is 4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?

Water

Wood

Both are same

Multiple Choice

Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy. What material would be the coolest after being heated?

Copper

Carbon Steel

Zinc

Stainless Steel

Multiple Choice

The SI units J/g°C measures

Specific heat

mass

temperature

heat energy

Multiple Choice

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?

66.5 J

665 J

0.0266 J

0.665 J

Multiple Choice

The energy transferred between object's at different temperatures

heat

thermal energy

radiation

convection

Multiple Choice

The total kinetic energy of a substance's particles

thermal energy

heat

convection

conduction

Multiple Choice

If the particles in an object have more kinetic energy, what must be true?

The object's temperature is lower

The object's temperature is higher

The object moves faster

The object is heavier

Multiple Choice

In which state do particles move fastest and with little effect on each other?

ice

gas

liquid

solid

Multiple Choice

The lowest possible temperature is___.

0⁰F

0 K

0⁰C

273 K

Multiple Choice

The temperature of a substance increases as___.

the substance expands

the average kinetic energy of its particles increases

the substance's volume increases

the substance's mass increases

Multiple Choice

Jack has a rock. The rock has a mass of 14 g and a volume of 2 cm³. What is the density of the rock?

7 mL

7 g/cm³

28 g/cm³

1/7 g/cm³

Multiple Choice

What is the formula for density?

density = mass x volume

density = mass / volume

density = mass + volume

density = mass - volume

Multiple Choice

How does the mass of a bowling ball on Earth compare to its mass on the moon?

The mass will be greater on the moon

The mass will be less on the moon

The mass will stay the same

Multiple Choice

The diagram shows a cooling curve for ice. Which line represents the ice freezing?

Multiple Choice

The pressure inside the syringe will decrease if we move the plunger in :

Direction A

Direction B

We don't have to move the plunger as the pressure will change on its own.

None of the above answers.

Multiple Choice

The reason gases can be compressed is because:

The particles are very close together.

The particles are merely vibrating.

The particles are unable to move.

The particles are very far apart.

Multiple Choice

The pressure inside the balloon will:

Decrease

Increase

Remain the same

Not enough information to formulate an answer

Multiple Choice

In what direction(s) does air exert pressure?

everywhere

no where

there is no pressure

downward

Multiple Choice

If a hairspray can is heated, what can be expected of the pressure of the gas inside the can?

The pressure will increase

The pressure will decrease

The pressure will remain constant

The pressure will equalize

Multiple Choice

How can we increase the gas pressure inside a sealed container?

Increase the number of particles inside the container

Increase the temperature

Decrease the volume of the container

All of these

Multiple Choice

What is the difference between particles in a gas and a solid?

gas particles are closer together

solid particles move faster than gas particles

solid particles expand on heating

gas particles have more kinetic energy than solid particles

Physics Revision Lesson P1

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