WorksheetsPhysics Paper 1
Total questions: 22
Worksheet time: 14mins
What is the equation for calculating kinetic energy?
magnification / height
Ek = 1/2 x mass x velcocity x velocity
. mass × gravitational field strength × height
∆ E = m c ∆ θ
Loss of gravitational potential energy = gain in (a) energy
What is the specific heat capacity of a substance?
the amount of energy required to raise the temperature of one kilogram of the substance by one degree Celsius.
the amount of energy required to raise the temperature of one kilogram of a cell by one degree Celsius.
the amount of gravity required to raise the temperature of one kilogram of the substance by one degree Celsius.
the amount of heat required to raise the energy of one kilogram of the substance by one degree Celsius.
Energy can be transferred usefully, stored or (a) but cannot be created or destroyed.
The main energy resources available for use on Earth include: fossil fuels (coal, oil and gas), nuclear fuel, bio-fuel, wind, hydroelectricity, geothermal, the tides, the Sun and water waves. Which of these are non renewable
Nuclear fuel, fossil fuels.
nuclear fuel, bio-fuel, wind,
hydroelectricity, geothermal
the tides
What is the circuit diagram for
diode
resistor
switch
variable resistor
Electric current is a flow of electrical (a)
current × time. What is this the equation for?
charge
current
power
resistance
potential difference = current × (a)
The current through an ohmic conductor (at a constant temperature) is inversely proportional to the potential difference across the resistor. True or False
True
False
The resistance of a thermistor decreases as the (a) increases.
live wire – ........., neutral wire – ........, earth wire – ........ and yellow stripes
Brown, blue, green
red, blue, yellow
Green, red, orange
none of the above
Step-up transformers are used to .......... the potential difference from the power station to the transmission cables then step-down transformers are used to ............, to a much lower value, the potential difference for domestic use.
increase, increase
decrease, increase
increase, decrease
decrease, decrease
When certain insulating materials are rubbed against each other they become ........... charged. Negatively charged electrons are rubbed off one material and on to the other. The material that ......... electrons becomes negatively charged. The material that loses electrons is left with an equal positive charge.
electrically, gains
electrically, loses
thermally, gains
thermally, loses
Density = ........... / ..............
mass ,volume
volume ,length
volume, height
mass, gpe
Internal energy is the total .......... energy and potential energy of all the particles (atoms and molecules) that make up a system.
hear
thermal
kinetic
movement
Can a gas be compressed or expanded when the mass increase
yes
no
James Chadwick proved the existence of whaat in the nucleus
isotopes
protons
electrons
neutrons
• an alpha particle (α) – this consists of two neutrons and two protons, it is the same as a helium nucleus • a beta particle (β) – a high speed electron ejected from the nucleus as a neutron turns into a proton • a gamma ray (γ) – electromagnetic radiation from the nucleus. What are the penetration powers for each one
Weak, medium, strong
medium, weak weak
strong, weak strong
weak
The half-life of a radioactive isotope is the time it takes for the number of ......... of the isotope in a sample to ........, or the time it takes for the count rate (or activity) from a sample containing the isotope to fall to half its initial level.
electrons, double
neutrons, half
nuclei, halve
none of the above
Background radiation is around us all of the time. It comes from: • natural sources such as rocks and cosmic rays from space • man-made sources such as the fallout from nuclear weapons testing and nuclear accidents. What is background radiation?
Radiation already found in the environment
Radiation thats found in the atmosphere
Long wave length radiation coming from the sun
none of the above
Nuclear fission is the splitting of a large and unstable nucleus (eg uranium or plutonium). What is nuclear fusion?
Nuclear fusion is the joining of two light nuclei to form a heavier nucleus. In this process some of the mass may be converted into the energy of radiation.
Nuclear fusion is the joining of two light nuclei to form a lighter nucleus. In this process some of the mass may be converted into the energy of radiation.
Nuclear fusion is the joining of 4 light nuclei to form a heavier nucleus. In this process some of the mass may be converted into the energy of radiation.
Nuclear fusion is the joining of two light nuclei to form a heavier electron In this process some of the mass may be converted into the energy of radiation.
