Newton's law of gravitation: Force is proportional to the product of the 2 masses and .....

inversely proportional to the square of their separation

SHM: The acceleration is _______________ and is always directed towards the fixed point.

directly proportional to the displacement from fixed point

Decay constant (of a radioactive isotope): The _______________ per unit time

probability of the decay of a nucleus

Internal energy: The _______________ due to the random distribution

sum of kinetic and potential energy of molecules

Electric potential (at a point): The work done moving .....

a unit positive charge from infinity to that point

RMS (of an alternating voltage): The value of a _______________ as the alternating voltage

constant voltage that produces the same power in a resistor

Capacitance: The ratio of .....

the charge on a body and its potential difference

Faraday’s law of EM induction: The induced e.m.f is proportional to .....

the rate of change of magnetic flux linkage

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CIE A2 Physics Definitions 1

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What are the missing words in these A2 Physics definitions and/or laws, as found in CIE past papers?

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Questions 10

Answers

1
Newton's law of gravitation: Force is proportional to the product of the 2 masses and .....
proportional to the square of their separation
inversely proportional to the square of their separation
inversely proportional to their separation
proportional to their separation
2
SHM: The acceleration is _______________ and is always directed towards the fixed point.
inversely proportional to the displacement from fixed point
directly proportional to the displacement from fixed point
zero
proportional to the distance from a fixed point
3
Decay constant (of a radioactive isotope): The _______________ per unit time
probability of the decay of a proton
mass of decayed nuclei
number of decayed nuclei
probability of the decay of a nucleus
4
Internal energy: The _______________ due to the random distribution
mean energy of molecules
sum of kinetic and potential energy of molecules
average kinetic energy of molecules
product of kinetic and potential energy of molecules
5
Electric potential (at a point): The work done moving .....
a unit charge from infinity to that point
a charge from that point to infinity
a charge from infinity to that point
a unit positive charge from infinity to that point
6
Photon: A _______________ of electromagnetic radiation
specific wavelength
particle of energy
wave of energy
quantum of energy
7
RMS (of an alternating voltage): The value of a _______________ as the alternating voltage
constant voltage that produces the same heat in a resistor
constant current that produces the same energy in a resistor
constant voltage that produces the same energy in a resistor
constant voltage that produces the same power in a resistor
8
Capacitance: The ratio of .....
the energy of a body and its charge
the energy of a body and its potential difference
the charge on a body and its mass
the charge on a body and its potential difference
9
Faraday’s law of EM induction: The induced e.m.f is proportional to .....
the rate of change of magnetic flux
the rate of change of magnetic flux linkage
the change of magnetic flux
the change of magnetic flux linkage
10
Attenuation (of a signal): ____________ of the signal
An increase in the power
A reduction in the frequency
A reduction in the power
An increase in the frequency

CIE A2 Physics Definitions 1 Flashcards | StudBud