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

a unit positive charge from infinity to that point

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

directly proportional to the displacement from fixed point

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

constant voltage that produces the same power in a resistor

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

the rate of change of magnetic flux linkage

Capacitance: The ratio of .....

the charge on a body and its potential difference

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

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

inversely proportional to the square of their separation

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CIE A2 Physics Definitions SHR

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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 11

Answers

1
Electric potential (at a point): The work done moving .....
a unit positive charge from infinity to that point
a charge from that point to infinity
a charge from infinity to that point
a unit charge from infinity to that point
2
SHM: The acceleration is _______________ and is always directed towards the fixed point.
proportional to the distance from a fixed point
directly proportional to the displacement from fixed point
zero
inversely proportional to the displacement from fixed point
3
RMS (of an alternating voltage): The value of a _______________ as the alternating voltage
constant current that produces the same energy in a resistor
constant voltage that produces the same power in a resistor
constant voltage that produces the same heat in a resistor
constant voltage that produces the same energy in a resistor
4
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 linkage
the change of magnetic flux
5
Photon: A _______________ of electromagnetic radiation
wave of energy
quantum of energy
particle of energy
specific wavelength
6
Capacitance: The ratio of .....
the energy of a body and its charge
the charge on a body and its potential difference
the energy of a body and its potential difference
the charge on a body and its mass
7
Decay constant (of a radioactive isotope): The _______________ per unit time
number of decayed nuclei
probability of the decay of a proton
mass of decayed nuclei
probability of the decay of a nucleus
8
Internal energy: The _______________ due to the random distribution
average kinetic energy of molecules
mean energy of molecules
sum of kinetic and potential energy of molecules
product of kinetic and potential energy of molecules
9
Attenuation (of a signal): ____________ of the signal
An increase in the power
A reduction in the frequency
An increase in the frequency
A reduction in the power
10
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 their separation
inversely proportional to the square of their separation
proportional to their separation
11
Boyancy problem
Same
Higher
Same same
Lower

CIE A2 Physics Definitions SHR Flashcards | StudBud