Which is true of an alpha particle?

It consists of two protons and two neutrons

neutron induced fission of U-235

Which is true about the three isotopes of hydrogen?

Hydrogen, deuterium and tritium all have one proton.

Which is true according to the Bohr model of the atom?

Electrons jump to a higher orbit as they absorb energy.

When a rollercoaster falls it converts energy from one form to another.

It gains kinetic energy and loses potential energy

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Year 10 PreATAR Physics

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Step Up Physics Module 13.1, 13.2 and 13.3

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Questions 20

Answers

1
If you throw a ball upwards into the air then let it fall, its acceleration will be
zero
positive
negative
constant
2
? = ½ mv²
Ek
Ep
3
Which is true of an alpha particle?
It is negatively charged
It has no mass
It consists of two protons and two neutrons
It has the greatest penetrating ability of any radiation
4
The amount of heat required to change the state of one unit mass of a substance is...
specific heat capacity
boiling point
latent heat
melting point
5
The image shows
neutron induced fission of U-235
neutron induced fusion of Kr-91
neutron induced fusion of U-235
neutron induced fission of Kr-91 and Ba-142
6
A radioactive particle with 0 mass number, -1 atomic number, -1 charge and medium penetration
alpha α
delta Δ
beta β
gamma γ
7
On a velocity-time graph, the area under the graph equals
displacement
velocity
time
distance
8
Which is true about the three isotopes of hydrogen?
Hydrogen has one neutron
Tritium has 3 neutrons
Deuterium has 2 neutrons
Hydrogen, deuterium and tritium all have one proton.
9
The expansion of the universe has recently been determined to be
constant
speeding up
slowing down
10
In Einstein's famous equation
E is measured in mEv
m is measured in a.m.u.
m is the mass-energy equivalent
c is measured in ms-1
11
Due to specific heat capacity, if the same mass of oil and water are heated for the same time
the oil will be hotter
they will be same temperature
the water will be hotter
impossible to tell temperature
12
Acceleration is
all of the above
slowing down
speeding up
changing direction
13
Which is true according to the Bohr model of the atom?
Electrons jump to a higher orbit as they absorb energy.
Electrons fill highest energy orbits first.
Electrons with highest energy orbit closest to the nucleus.
Electrons emit energy as they orbit.
14
Which is true about radon-222?
It has 136 neutrons
It has 222 neutrons
It has 86 neutrons
Its atomic number is 222
15
Protons, neutrons and electrons are made of smaller particles called
orbitals
bosons
quantums
quarks
16
Initial velocity is represented by
s
v
a
u
17
When a rollercoaster falls it converts energy from one form to another.
It gains kinetic energy and loses potential energy
It gains kinetic energy and loses heat energy
It gains potential energy and loses kinetic energy
It gains kinetic energy and loses sound energy
18
Which physicist did not contribute to the theory of expansion of the universe?
Vesto Slipher
Matthew Baker
Georges Lemaitre
Edwin Hubble
19
Convection occurs in
gases
liquids
solids
gases and liquids
20
Atomic number equals ...
the number of protons + neutrons.
the number of neutrons.
the number of protons.
the number of protons + neutrons + electrons.

Year 10 PreATAR Physics Flashcards | StudBud